19594360

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1091}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 44226000

約数和(自身を除く): 24631640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1091, 1796, 2182, 2245, 3592, 4364, 4490, 5455, 8728, 8980, 10910, 17960, 21820, 43640, 489859, 979718, 1959436, 2449295, 3918872, 4898590, 9797180, 19594360]

約数ペア:

[(1, 19594360), (2, 9797180), (4, 4898590), (5, 3918872), (8, 2449295), (10, 1959436), (20, 979718), (40, 489859), (449, 43640), (898, 21820), (1091, 17960), (1796, 10910), (2182, 8980), (2245, 8728), (3592, 5455), (4364, 4490)]