18495500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 41041728

約数和(自身を除く): 22546228

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 521, 710, 1042, 1420, 1775, 2084, 2605, 3550, 5210, 7100, 8875, 10420, 13025, 17750, 26050, 35500, 36991, 52100, 65125, 73982, 130250, 147964, 184955, 260500, 369910, 739820, 924775, 1849550, 3699100, 4623875, 9247750, 18495500]

約数ペア:

[(1, 18495500), (2, 9247750), (4, 4623875), (5, 3699100), (10, 1849550), (20, 924775), (25, 739820), (50, 369910), (71, 260500), (100, 184955), (125, 147964), (142, 130250), (250, 73982), (284, 65125), (355, 52100), (500, 36991), (521, 35500), (710, 26050), (1042, 17750), (1420, 13025), (1775, 10420), (2084, 8875), (2605, 7100), (3550, 5210)]