19936701

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 29857464

約数和(自身を除く): 9920763

約数列:

[1, 3, 9, 41, 97, 123, 291, 369, 557, 873, 1671, 3977, 5013, 11931, 22837, 35793, 54029, 68511, 162087, 205533, 486261, 2215189, 6645567, 19936701]

約数ペア:

[(1, 19936701), (3, 6645567), (9, 2215189), (41, 486261), (97, 205533), (123, 162087), (291, 68511), (369, 54029), (557, 35793), (873, 22837), (1671, 11931), (3977, 5013)]