19897047

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5059}}^1$

素因数の和:5107

約数の個数: 24

約数和(自身を含む): 31574400

約数和(自身を除く): 11677353

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5059, 15177, 45531, 96121, 116357, 288363, 349071, 865089, 1047213, 2210783, 6632349, 19897047]

約数ペア:

[(1, 19897047), (3, 6632349), (9, 2210783), (19, 1047213), (23, 865089), (57, 349071), (69, 288363), (171, 116357), (207, 96121), (437, 45531), (1311, 15177), (3933, 5059)]