18660907

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 20269440

約数和(自身を除く): 1608533

約数列:

[1, 19, 67, 107, 137, 1273, 2033, 2603, 7169, 9179, 14659, 136211, 174401, 278521, 982153, 18660907]

約数ペア:

[(1, 18660907), (19, 982153), (67, 278521), (107, 174401), (137, 136211), (1273, 14659), (2033, 9179), (2603, 7169)]