18013216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 41912640

約数和(自身を除く): 23899424

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 43, 52, 53, 76, 86, 104, 106, 152, 172, 208, 212, 247, 304, 344, 416, 424, 494, 559, 608, 688, 689, 817, 848, 988, 1007, 1118, 1376, 1378, 1634, 1696, 1976, 2014, 2236, 2279, 2756, 3268, 3952, 4028, 4472, 4558, 5512, 6536, 7904, 8056, 8944, 9116, 10621, 11024, 13072, 13091, 16112, 17888, 18232, 21242, 22048, 26144, 26182, 29627, 32224, 36464, 42484, 43301, 52364, 59254, 72928, 84968, 86602, 104728, 118508, 169936, 173204, 209456, 237016, 339872, 346408, 418912, 474032, 562913, 692816, 948064, 1125826, 1385632, 2251652, 4503304, 9006608, 18013216]

約数ペア:

[(1, 18013216), (2, 9006608), (4, 4503304), (8, 2251652), (13, 1385632), (16, 1125826), (19, 948064), (26, 692816), (32, 562913), (38, 474032), (43, 418912), (52, 346408), (53, 339872), (76, 237016), (86, 209456), (104, 173204), (106, 169936), (152, 118508), (172, 104728), (208, 86602), (212, 84968), (247, 72928), (304, 59254), (344, 52364), (416, 43301), (424, 42484), (494, 36464), (559, 32224), (608, 29627), (688, 26182), (689, 26144), (817, 22048), (848, 21242), (988, 18232), (1007, 17888), (1118, 16112), (1376, 13091), (1378, 13072), (1634, 11024), (1696, 10621), (1976, 9116), (2014, 8944), (2236, 8056), (2279, 7904), (2756, 6536), (3268, 5512), (3952, 4558), (4028, 4472)]