18959105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5651}}^1$

素因数の和:5728

約数の個数: 16

約数和(自身を含む): 25230528

約数和(自身を除く): 6271423

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 5651, 28255, 62161, 310805, 344711, 1723555, 3791821, 18959105]

約数ペア:

[(1, 18959105), (5, 3791821), (11, 1723555), (55, 344711), (61, 310805), (305, 62161), (671, 28255), (3355, 5651)]