18455850

素因数分解:

$2^1\times 3^5\times 5^2\times 7^2\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 216

約数和(自身を含む): 61746048

約数和(自身を除く): 43290198

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 31, 35, 42, 45, 49, 50, 54, 62, 63, 70, 75, 81, 90, 93, 98, 105, 126, 135, 147, 150, 155, 162, 175, 186, 189, 210, 217, 225, 243, 245, 270, 279, 294, 310, 315, 350, 378, 405, 434, 441, 450, 465, 486, 490, 525, 558, 567, 630, 651, 675, 735, 775, 810, 837, 882, 930, 945, 1050, 1085, 1134, 1215, 1225, 1302, 1323, 1350, 1395, 1470, 1519, 1550, 1575, 1674, 1701, 1890, 1953, 2025, 2170, 2205, 2325, 2430, 2450, 2511, 2646, 2790, 2835, 3038, 3150, 3255, 3402, 3675, 3906, 3969, 4050, 4185, 4410, 4557, 4650, 4725, 5022, 5425, 5670, 5859, 6075, 6510, 6615, 6975, 7350, 7533, 7595, 7938, 8370, 8505, 9114, 9450, 9765, 10850, 11025, 11718, 11907, 12150, 12555, 13230, 13671, 13950, 14175, 15066, 15190, 16275, 17010, 17577, 19530, 19845, 20925, 22050, 22785, 23814, 25110, 27342, 28350, 29295, 32550, 33075, 35154, 37665, 37975, 39690, 41013, 41850, 42525, 45570, 48825, 52731, 58590, 59535, 62775, 66150, 68355, 75330, 75950, 82026, 85050, 87885, 97650, 99225, 105462, 113925, 119070, 123039, 125550, 136710, 146475, 175770, 188325, 198450, 205065, 227850, 246078, 263655, 292950, 297675, 341775, 369117, 376650, 410130, 439425, 527310, 595350, 615195, 683550, 738234, 878850, 1025325, 1230390, 1318275, 1845585, 2050650, 2636550, 3075975, 3691170, 6151950, 9227925, 18455850]

約数ペア:

[(1, 18455850), (2, 9227925), (3, 6151950), (5, 3691170), (6, 3075975), (7, 2636550), (9, 2050650), (10, 1845585), (14, 1318275), (15, 1230390), (18, 1025325), (21, 878850), (25, 738234), (27, 683550), (30, 615195), (31, 595350), (35, 527310), (42, 439425), (45, 410130), (49, 376650), (50, 369117), (54, 341775), (62, 297675), (63, 292950), (70, 263655), (75, 246078), (81, 227850), (90, 205065), (93, 198450), (98, 188325), (105, 175770), (126, 146475), (135, 136710), (147, 125550), (150, 123039), (155, 119070), (162, 113925), (175, 105462), (186, 99225), (189, 97650), (210, 87885), (217, 85050), (225, 82026), (243, 75950), (245, 75330), (270, 68355), (279, 66150), (294, 62775), (310, 59535), (315, 58590), (350, 52731), (378, 48825), (405, 45570), (434, 42525), (441, 41850), (450, 41013), (465, 39690), (486, 37975), (490, 37665), (525, 35154), (558, 33075), (567, 32550), (630, 29295), (651, 28350), (675, 27342), (735, 25110), (775, 23814), (810, 22785), (837, 22050), (882, 20925), (930, 19845), (945, 19530), (1050, 17577), (1085, 17010), (1134, 16275), (1215, 15190), (1225, 15066), (1302, 14175), (1323, 13950), (1350, 13671), (1395, 13230), (1470, 12555), (1519, 12150), (1550, 11907), (1575, 11718), (1674, 11025), (1701, 10850), (1890, 9765), (1953, 9450), (2025, 9114), (2170, 8505), (2205, 8370), (2325, 7938), (2430, 7595), (2450, 7533), (2511, 7350), (2646, 6975), (2790, 6615), (2835, 6510), (3038, 6075), (3150, 5859), (3255, 5670), (3402, 5425), (3675, 5022), (3906, 4725), (3969, 4650), (4050, 4557), (4185, 4410)]