19685764

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9631}}^1$

素因数の和:9715

約数の個数: 24

約数和(自身を含む): 39915008

約数和(自身を除く): 20229244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9631, 19262, 38524, 67417, 134834, 269668, 703063, 1406126, 2812252, 4921441, 9842882, 19685764]

約数ペア:

[(1, 19685764), (2, 9842882), (4, 4921441), (7, 2812252), (14, 1406126), (28, 703063), (73, 269668), (146, 134834), (292, 67417), (511, 38524), (1022, 19262), (2044, 9631)]