18636435

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 15958125

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 213, 285, 307, 355, 639, 855, 921, 1065, 1349, 1535, 2763, 3195, 4047, 4605, 5833, 6745, 12141, 13815, 17499, 20235, 21797, 29165, 52497, 60705, 65391, 87495, 108985, 196173, 262485, 326955, 414143, 980865, 1242429, 2070715, 3727287, 6212145, 18636435]

約数ペア:

[(1, 18636435), (3, 6212145), (5, 3727287), (9, 2070715), (15, 1242429), (19, 980865), (45, 414143), (57, 326955), (71, 262485), (95, 196173), (171, 108985), (213, 87495), (285, 65391), (307, 60705), (355, 52497), (639, 29165), (855, 21797), (921, 20235), (1065, 17499), (1349, 13815), (1535, 12141), (2763, 6745), (3195, 5833), (4047, 4605)]