19551018

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 40619520

約数和(自身を除く): 21068502

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 257, 409, 514, 771, 818, 1227, 1542, 2454, 7967, 12679, 15934, 23901, 25358, 38037, 47802, 76074, 105113, 210226, 315339, 630678, 3258503, 6517006, 9775509, 19551018]

約数ペア:

[(1, 19551018), (2, 9775509), (3, 6517006), (6, 3258503), (31, 630678), (62, 315339), (93, 210226), (186, 105113), (257, 76074), (409, 47802), (514, 38037), (771, 25358), (818, 23901), (1227, 15934), (1542, 12679), (2454, 7967)]