18300112

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 36915296

約数和(自身を除く): 18615184

約数列:

[1, 2, 4, 8, 16, 43, 67, 86, 134, 172, 268, 344, 397, 536, 688, 794, 1072, 1588, 2881, 3176, 5762, 6352, 11524, 17071, 23048, 26599, 34142, 46096, 53198, 68284, 106396, 136568, 212792, 273136, 425584, 1143757, 2287514, 4575028, 9150056, 18300112]

約数ペア:

[(1, 18300112), (2, 9150056), (4, 4575028), (8, 2287514), (16, 1143757), (43, 425584), (67, 273136), (86, 212792), (134, 136568), (172, 106396), (268, 68284), (344, 53198), (397, 46096), (536, 34142), (688, 26599), (794, 23048), (1072, 17071), (1588, 11524), (2881, 6352), (3176, 5762)]