18722568

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 30266232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 53, 82, 106, 123, 159, 164, 212, 246, 318, 328, 359, 424, 492, 636, 718, 984, 1077, 1272, 1436, 2154, 2173, 2872, 4308, 4346, 6519, 8616, 8692, 13038, 14719, 17384, 19027, 26076, 29438, 38054, 44157, 52152, 57081, 58876, 76108, 88314, 114162, 117752, 152216, 176628, 228324, 353256, 456648, 780107, 1560214, 2340321, 3120428, 4680642, 6240856, 9361284, 18722568]

約数ペア:

[(1, 18722568), (2, 9361284), (3, 6240856), (4, 4680642), (6, 3120428), (8, 2340321), (12, 1560214), (24, 780107), (41, 456648), (53, 353256), (82, 228324), (106, 176628), (123, 152216), (159, 117752), (164, 114162), (212, 88314), (246, 76108), (318, 58876), (328, 57081), (359, 52152), (424, 44157), (492, 38054), (636, 29438), (718, 26076), (984, 19027), (1077, 17384), (1272, 14719), (1436, 13038), (2154, 8692), (2173, 8616), (2872, 6519), (4308, 4346)]