19420472

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 37460880

約数和(自身を除く): 18040408

約数列:

[1, 2, 4, 8, 53, 106, 163, 212, 281, 326, 424, 562, 652, 1124, 1304, 2248, 8639, 14893, 17278, 29786, 34556, 45803, 59572, 69112, 91606, 119144, 183212, 366424, 2427559, 4855118, 9710236, 19420472]

約数ペア:

[(1, 19420472), (2, 9710236), (4, 4855118), (8, 2427559), (53, 366424), (106, 183212), (163, 119144), (212, 91606), (281, 69112), (326, 59572), (424, 45803), (562, 34556), (652, 29786), (1124, 17278), (1304, 14893), (2248, 8639)]