19432497

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 12086223

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 431, 791, 1293, 2147, 2373, 3017, 6441, 8189, 9051, 15029, 24567, 45087, 48703, 57323, 146109, 171969, 340921, 925357, 1022763, 2776071, 6477499, 19432497]

約数ペア:

[(1, 19432497), (3, 6477499), (7, 2776071), (19, 1022763), (21, 925357), (57, 340921), (113, 171969), (133, 146109), (339, 57323), (399, 48703), (431, 45087), (791, 24567), (1293, 15029), (2147, 9051), (2373, 8189), (3017, 6441)]