19660761

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 29405376

約数和(自身を除く): 9744615

約数列:

[1, 3, 9, 43, 101, 129, 303, 387, 503, 909, 1509, 4343, 4527, 13029, 21629, 39087, 50803, 64887, 152409, 194661, 457227, 2184529, 6553587, 19660761]

約数ペア:

[(1, 19660761), (3, 6553587), (9, 2184529), (43, 457227), (101, 194661), (129, 152409), (303, 64887), (387, 50803), (503, 39087), (909, 21629), (1509, 13029), (4343, 4527)]