18996024

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 30424776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 79, 86, 129, 158, 172, 233, 237, 258, 316, 344, 466, 474, 516, 632, 699, 932, 948, 1032, 1398, 1864, 1896, 2796, 3397, 5592, 6794, 10019, 10191, 13588, 18407, 20038, 20382, 27176, 30057, 36814, 40076, 40764, 55221, 60114, 73628, 80152, 81528, 110442, 120228, 147256, 220884, 240456, 441768, 791501, 1583002, 2374503, 3166004, 4749006, 6332008, 9498012, 18996024]

約数ペア:

[(1, 18996024), (2, 9498012), (3, 6332008), (4, 4749006), (6, 3166004), (8, 2374503), (12, 1583002), (24, 791501), (43, 441768), (79, 240456), (86, 220884), (129, 147256), (158, 120228), (172, 110442), (233, 81528), (237, 80152), (258, 73628), (316, 60114), (344, 55221), (466, 40764), (474, 40076), (516, 36814), (632, 30057), (699, 27176), (932, 20382), (948, 20038), (1032, 18407), (1398, 13588), (1864, 10191), (1896, 10019), (2796, 6794), (3397, 5592)]