19385037

素因数分解:

$3^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:522

約数の個数: 36

約数和(自身を含む): 32944860

約数和(自身を除く): 13559823

約数列:

[1, 3, 7, 9, 21, 49, 63, 113, 147, 339, 389, 441, 791, 1017, 1167, 2373, 2723, 3501, 5537, 7119, 8169, 16611, 19061, 24507, 43957, 49833, 57183, 131871, 171549, 307699, 395613, 923097, 2153893, 2769291, 6461679, 19385037]

約数ペア:

[(1, 19385037), (3, 6461679), (7, 2769291), (9, 2153893), (21, 923097), (49, 395613), (63, 307699), (113, 171549), (147, 131871), (339, 57183), (389, 49833), (441, 43957), (791, 24507), (1017, 19061), (1167, 16611), (2373, 8169), (2723, 7119), (3501, 5537)]