1919468090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1\times {\mathrm{4909}}^1$

素因数の和:5618

約数の個数: 32

約数和(自身を含む): 3517877520

約数和(自身を除く): 1598409430

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 641, 1282, 3205, 4909, 6410, 9818, 24545, 39101, 49090, 78202, 195505, 299449, 391010, 598898, 1497245, 2994490, 3146669, 6293338, 15733345, 31466690, 191946809, 383893618, 959734045, 1919468090]

約数ペア:

[(1, 1919468090), (2, 959734045), (5, 383893618), (10, 191946809), (61, 31466690), (122, 15733345), (305, 6293338), (610, 3146669), (641, 2994490), (1282, 1497245), (3205, 598898), (4909, 391010), (6410, 299449), (9818, 195505), (24545, 78202), (39101, 49090)]