18741100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 47684448

約数和(自身を除く): 28943348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 653, 700, 820, 1025, 1148, 1306, 1435, 2050, 2612, 2870, 3265, 4100, 4571, 5740, 6530, 7175, 9142, 13060, 14350, 16325, 18284, 22855, 26773, 28700, 32650, 45710, 53546, 65300, 91420, 107092, 114275, 133865, 187411, 228550, 267730, 374822, 457100, 535460, 669325, 749644, 937055, 1338650, 1874110, 2677300, 3748220, 4685275, 9370550, 18741100]

約数ペア:

[(1, 18741100), (2, 9370550), (4, 4685275), (5, 3748220), (7, 2677300), (10, 1874110), (14, 1338650), (20, 937055), (25, 749644), (28, 669325), (35, 535460), (41, 457100), (50, 374822), (70, 267730), (82, 228550), (100, 187411), (140, 133865), (164, 114275), (175, 107092), (205, 91420), (287, 65300), (350, 53546), (410, 45710), (574, 32650), (653, 28700), (700, 26773), (820, 22855), (1025, 18284), (1148, 16325), (1306, 14350), (1435, 13060), (2050, 9142), (2612, 7175), (2870, 6530), (3265, 5740), (4100, 4571)]