18258604

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 39789568

約数和(自身を除く): 21530964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 182, 206, 364, 412, 487, 721, 974, 1339, 1442, 1948, 2678, 2884, 3409, 5356, 6331, 6818, 9373, 12662, 13636, 18746, 25324, 37492, 44317, 50161, 88634, 100322, 177268, 200644, 351127, 652093, 702254, 1304186, 1404508, 2608372, 4564651, 9129302, 18258604]

約数ペア:

[(1, 18258604), (2, 9129302), (4, 4564651), (7, 2608372), (13, 1404508), (14, 1304186), (26, 702254), (28, 652093), (52, 351127), (91, 200644), (103, 177268), (182, 100322), (206, 88634), (364, 50161), (412, 44317), (487, 37492), (721, 25324), (974, 18746), (1339, 13636), (1442, 12662), (1948, 9373), (2678, 6818), (2884, 6331), (3409, 5356)]