18261216

素因数分解:

$2^5\times 3^2\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:568

約数の個数: 72

約数和(自身を含む): 52383240

約数和(自身を除く): 34122024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 163, 288, 326, 389, 489, 652, 778, 978, 1167, 1304, 1467, 1556, 1956, 2334, 2608, 2934, 3112, 3501, 3912, 4668, 5216, 5868, 6224, 7002, 7824, 9336, 11736, 12448, 14004, 15648, 18672, 23472, 28008, 37344, 46944, 56016, 63407, 112032, 126814, 190221, 253628, 380442, 507256, 570663, 760884, 1014512, 1141326, 1521768, 2029024, 2282652, 3043536, 4565304, 6087072, 9130608, 18261216]

約数ペア:

[(1, 18261216), (2, 9130608), (3, 6087072), (4, 4565304), (6, 3043536), (8, 2282652), (9, 2029024), (12, 1521768), (16, 1141326), (18, 1014512), (24, 760884), (32, 570663), (36, 507256), (48, 380442), (72, 253628), (96, 190221), (144, 126814), (163, 112032), (288, 63407), (326, 56016), (389, 46944), (489, 37344), (652, 28008), (778, 23472), (978, 18672), (1167, 15648), (1304, 14004), (1467, 12448), (1556, 11736), (1956, 9336), (2334, 7824), (2608, 7002), (2934, 6224), (3112, 5868), (3501, 5216), (3912, 4668)]