19111996

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1951}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 34979840

約数和(自身を除く): 15867844

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 1951, 2449, 3902, 4898, 7804, 9796, 60481, 120962, 154129, 241924, 308258, 616516, 4777999, 9555998, 19111996]

約数ペア:

[(1, 19111996), (2, 9555998), (4, 4777999), (31, 616516), (62, 308258), (79, 241924), (124, 154129), (158, 120962), (316, 60481), (1951, 9796), (2449, 7804), (3902, 4898)]