18191460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43313}}^1$

素因数の和:43332

約数の個数: 48

約数和(自身を含む): 58214016

約数和(自身を除く): 40022556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43313, 86626, 129939, 173252, 216565, 259878, 303191, 433130, 519756, 606382, 649695, 866260, 909573, 1212764, 1299390, 1515955, 1819146, 2598780, 3031910, 3638292, 4547865, 6063820, 9095730, 18191460]

約数ペア:

[(1, 18191460), (2, 9095730), (3, 6063820), (4, 4547865), (5, 3638292), (6, 3031910), (7, 2598780), (10, 1819146), (12, 1515955), (14, 1299390), (15, 1212764), (20, 909573), (21, 866260), (28, 649695), (30, 606382), (35, 519756), (42, 433130), (60, 303191), (70, 259878), (84, 216565), (105, 173252), (140, 129939), (210, 86626), (420, 43313)]