19866294

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157669}}^1$

素因数の和:157684

約数の個数: 24

約数和(自身を含む): 49193040

約数和(自身を除く): 29326746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157669, 315338, 473007, 946014, 1103683, 1419021, 2207366, 2838042, 3311049, 6622098, 9933147, 19866294]

約数ペア:

[(1, 19866294), (2, 9933147), (3, 6622098), (6, 3311049), (7, 2838042), (9, 2207366), (14, 1419021), (18, 1103683), (21, 946014), (42, 473007), (63, 315338), (126, 157669)]