18805089

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1171}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 25821504

約数和(自身を除く): 7016415

約数列:

[1, 3, 53, 101, 159, 303, 1171, 3513, 5353, 16059, 62063, 118271, 186189, 354813, 6268363, 18805089]

約数ペア:

[(1, 18805089), (3, 6268363), (53, 354813), (101, 186189), (159, 118271), (303, 62063), (1171, 16059), (3513, 5353)]