18521105

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 24286464

約数和(自身を除く): 5765359

約数列:

[1, 5, 19, 31, 95, 155, 331, 361, 589, 1655, 1805, 2945, 6289, 10261, 11191, 31445, 51305, 55955, 119491, 194959, 597455, 974795, 3704221, 18521105]

約数ペア:

[(1, 18521105), (5, 3704221), (19, 974795), (31, 597455), (95, 194959), (155, 119491), (331, 55955), (361, 51305), (589, 31445), (1655, 11191), (1805, 10261), (2945, 6289)]