18706950

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 120

約数和(自身を含む): 54014400

約数和(自身を除く): 35307450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 81, 90, 93, 135, 149, 150, 155, 162, 186, 225, 270, 279, 298, 310, 405, 447, 450, 465, 558, 675, 745, 775, 810, 837, 894, 930, 1341, 1350, 1395, 1490, 1550, 1674, 2025, 2235, 2325, 2511, 2682, 2790, 3725, 4023, 4050, 4185, 4470, 4619, 4650, 5022, 6705, 6975, 7450, 8046, 8370, 9238, 11175, 12069, 12555, 13410, 13857, 13950, 20115, 20925, 22350, 23095, 24138, 25110, 27714, 33525, 40230, 41571, 41850, 46190, 60345, 62775, 67050, 69285, 83142, 100575, 115475, 120690, 124713, 125550, 138570, 201150, 207855, 230950, 249426, 301725, 346425, 374139, 415710, 603450, 623565, 692850, 748278, 1039275, 1247130, 1870695, 2078550, 3117825, 3741390, 6235650, 9353475, 18706950]

約数ペア:

[(1, 18706950), (2, 9353475), (3, 6235650), (5, 3741390), (6, 3117825), (9, 2078550), (10, 1870695), (15, 1247130), (18, 1039275), (25, 748278), (27, 692850), (30, 623565), (31, 603450), (45, 415710), (50, 374139), (54, 346425), (62, 301725), (75, 249426), (81, 230950), (90, 207855), (93, 201150), (135, 138570), (149, 125550), (150, 124713), (155, 120690), (162, 115475), (186, 100575), (225, 83142), (270, 69285), (279, 67050), (298, 62775), (310, 60345), (405, 46190), (447, 41850), (450, 41571), (465, 40230), (558, 33525), (675, 27714), (745, 25110), (775, 24138), (810, 23095), (837, 22350), (894, 20925), (930, 20115), (1341, 13950), (1350, 13857), (1395, 13410), (1490, 12555), (1550, 12069), (1674, 11175), (2025, 9238), (2235, 8370), (2325, 8046), (2511, 7450), (2682, 6975), (2790, 6705), (3725, 5022), (4023, 4650), (4050, 4619), (4185, 4470)]