18587808

素因数分解:

$2^5\times 3^2\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:526

約数の個数: 72

約数和(自身を含む): 53277588

約数和(自身を除く): 34689780

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 233, 277, 288, 466, 554, 699, 831, 932, 1108, 1398, 1662, 1864, 2097, 2216, 2493, 2796, 3324, 3728, 4194, 4432, 4986, 5592, 6648, 7456, 8388, 8864, 9972, 11184, 13296, 16776, 19944, 22368, 26592, 33552, 39888, 64541, 67104, 79776, 129082, 193623, 258164, 387246, 516328, 580869, 774492, 1032656, 1161738, 1548984, 2065312, 2323476, 3097968, 4646952, 6195936, 9293904, 18587808]

約数ペア:

[(1, 18587808), (2, 9293904), (3, 6195936), (4, 4646952), (6, 3097968), (8, 2323476), (9, 2065312), (12, 1548984), (16, 1161738), (18, 1032656), (24, 774492), (32, 580869), (36, 516328), (48, 387246), (72, 258164), (96, 193623), (144, 129082), (233, 79776), (277, 67104), (288, 64541), (466, 39888), (554, 33552), (699, 26592), (831, 22368), (932, 19944), (1108, 16776), (1398, 13296), (1662, 11184), (1864, 9972), (2097, 8864), (2216, 8388), (2493, 7456), (2796, 6648), (3324, 5592), (3728, 4986), (4194, 4432)]