18153968

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{449}}^1$

素因数の和:502

約数の個数: 60

約数和(自身を含む): 42519600

約数和(自身を除く): 24365632

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 361, 449, 532, 722, 898, 1064, 1444, 1796, 2128, 2527, 2888, 3143, 3592, 5054, 5776, 6286, 7184, 8531, 10108, 12572, 17062, 20216, 25144, 34124, 40432, 50288, 59717, 68248, 119434, 136496, 162089, 238868, 324178, 477736, 648356, 955472, 1134623, 1296712, 2269246, 2593424, 4538492, 9076984, 18153968]

約数ペア:

[(1, 18153968), (2, 9076984), (4, 4538492), (7, 2593424), (8, 2269246), (14, 1296712), (16, 1134623), (19, 955472), (28, 648356), (38, 477736), (56, 324178), (76, 238868), (112, 162089), (133, 136496), (152, 119434), (266, 68248), (304, 59717), (361, 50288), (449, 40432), (532, 34124), (722, 25144), (898, 20216), (1064, 17062), (1444, 12572), (1796, 10108), (2128, 8531), (2527, 7184), (2888, 6286), (3143, 5776), (3592, 5054)]