18314920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35221}}^1$

素因数の和:35245

約数の個数: 32

約数和(自身を含む): 44379720

約数和(自身を除く): 26064800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35221, 70442, 140884, 176105, 281768, 352210, 457873, 704420, 915746, 1408840, 1831492, 2289365, 3662984, 4578730, 9157460, 18314920]

約数ペア:

[(1, 18314920), (2, 9157460), (4, 4578730), (5, 3662984), (8, 2289365), (10, 1831492), (13, 1408840), (20, 915746), (26, 704420), (40, 457873), (52, 352210), (65, 281768), (104, 176105), (130, 140884), (260, 70442), (520, 35221)]