18545729620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4159}}^1\times {\mathrm{20269}}^1$

素因数の和:24448

約数の個数: 48

約数和(自身を含む): 42498892800

約数和(自身を除く): 23953163180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 4159, 8318, 16636, 20269, 20795, 40538, 41590, 45749, 81076, 83180, 91498, 101345, 182996, 202690, 222959, 228745, 405380, 445918, 457490, 891836, 914980, 1114795, 2229590, 4459180, 84298771, 168597542, 337195084, 421493855, 842987710, 927286481, 1685975420, 1854572962, 3709145924, 4636432405, 9272864810, 18545729620]

約数ペア:

[(1, 18545729620), (2, 9272864810), (4, 4636432405), (5, 3709145924), (10, 1854572962), (11, 1685975420), (20, 927286481), (22, 842987710), (44, 421493855), (55, 337195084), (110, 168597542), (220, 84298771), (4159, 4459180), (8318, 2229590), (16636, 1114795), (20269, 914980), (20795, 891836), (40538, 457490), (41590, 445918), (45749, 405380), (81076, 228745), (83180, 222959), (91498, 202690), (101345, 182996)]