18228816

素因数分解:

$2^4\times 3^2\times {\mathrm{277}}^1\times {\mathrm{457}}^1$

素因数の和:748

約数の個数: 60

約数和(自身を含む): 51311572

約数和(自身を除く): 33082756

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 277, 457, 554, 831, 914, 1108, 1371, 1662, 1828, 2216, 2493, 2742, 3324, 3656, 4113, 4432, 4986, 5484, 6648, 7312, 8226, 9972, 10968, 13296, 16452, 19944, 21936, 32904, 39888, 65808, 126589, 253178, 379767, 506356, 759534, 1012712, 1139301, 1519068, 2025424, 2278602, 3038136, 4557204, 6076272, 9114408, 18228816]

約数ペア:

[(1, 18228816), (2, 9114408), (3, 6076272), (4, 4557204), (6, 3038136), (8, 2278602), (9, 2025424), (12, 1519068), (16, 1139301), (18, 1012712), (24, 759534), (36, 506356), (48, 379767), (72, 253178), (144, 126589), (277, 65808), (457, 39888), (554, 32904), (831, 21936), (914, 19944), (1108, 16452), (1371, 13296), (1662, 10968), (1828, 9972), (2216, 8226), (2493, 7312), (2742, 6648), (3324, 5484), (3656, 4986), (4113, 4432)]