19744650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 58757400

約数和(自身を除く): 39012750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 29, 30, 34, 45, 50, 51, 58, 75, 85, 87, 89, 90, 102, 145, 150, 153, 170, 174, 178, 225, 255, 261, 267, 290, 306, 425, 435, 445, 450, 493, 510, 522, 534, 725, 765, 801, 850, 870, 890, 986, 1275, 1305, 1335, 1450, 1479, 1513, 1530, 1602, 2175, 2225, 2465, 2550, 2581, 2610, 2670, 2958, 3026, 3825, 4005, 4350, 4437, 4450, 4539, 4930, 5162, 6525, 6675, 7395, 7565, 7650, 7743, 8010, 8874, 9078, 12325, 12905, 13050, 13350, 13617, 14790, 15130, 15486, 20025, 22185, 22695, 23229, 24650, 25810, 27234, 36975, 37825, 38715, 40050, 43877, 44370, 45390, 46458, 64525, 68085, 73950, 75650, 77430, 87754, 110925, 113475, 116145, 129050, 131631, 136170, 193575, 219385, 221850, 226950, 232290, 263262, 340425, 387150, 394893, 438770, 580725, 658155, 680850, 789786, 1096925, 1161450, 1316310, 1974465, 2193850, 3290775, 3948930, 6581550, 9872325, 19744650]

約数ペア:

[(1, 19744650), (2, 9872325), (3, 6581550), (5, 3948930), (6, 3290775), (9, 2193850), (10, 1974465), (15, 1316310), (17, 1161450), (18, 1096925), (25, 789786), (29, 680850), (30, 658155), (34, 580725), (45, 438770), (50, 394893), (51, 387150), (58, 340425), (75, 263262), (85, 232290), (87, 226950), (89, 221850), (90, 219385), (102, 193575), (145, 136170), (150, 131631), (153, 129050), (170, 116145), (174, 113475), (178, 110925), (225, 87754), (255, 77430), (261, 75650), (267, 73950), (290, 68085), (306, 64525), (425, 46458), (435, 45390), (445, 44370), (450, 43877), (493, 40050), (510, 38715), (522, 37825), (534, 36975), (725, 27234), (765, 25810), (801, 24650), (850, 23229), (870, 22695), (890, 22185), (986, 20025), (1275, 15486), (1305, 15130), (1335, 14790), (1450, 13617), (1479, 13350), (1513, 13050), (1530, 12905), (1602, 12325), (2175, 9078), (2225, 8874), (2465, 8010), (2550, 7743), (2581, 7650), (2610, 7565), (2670, 7395), (2958, 6675), (3026, 6525), (3825, 5162), (4005, 4930), (4350, 4539), (4437, 4450)]