18143291180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{281117}}^1$

素因数の和:281594

約数の個数: 48

約数和(自身を含む): 43638509376

約数和(自身を除く): 25495218196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461, 922, 1844, 2305, 3227, 4610, 6454, 9220, 12908, 16135, 32270, 64540, 281117, 562234, 1124468, 1405585, 1967819, 2811170, 3935638, 5622340, 7871276, 9839095, 19678190, 39356380, 129594937, 259189874, 518379748, 647974685, 907164559, 1295949370, 1814329118, 2591898740, 3628658236, 4535822795, 9071645590, 18143291180]

約数ペア:

[(1, 18143291180), (2, 9071645590), (4, 4535822795), (5, 3628658236), (7, 2591898740), (10, 1814329118), (14, 1295949370), (20, 907164559), (28, 647974685), (35, 518379748), (70, 259189874), (140, 129594937), (461, 39356380), (922, 19678190), (1844, 9839095), (2305, 7871276), (3227, 5622340), (4610, 3935638), (6454, 2811170), (9220, 1967819), (12908, 1405585), (16135, 1124468), (32270, 562234), (64540, 281117)]