18557264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1203

約数の個数: 40

約数和(自身を含む): 39664128

約数和(自身を除く): 21106864

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 97, 176, 194, 388, 776, 1067, 1087, 1552, 2134, 2174, 4268, 4348, 8536, 8696, 11957, 17072, 17392, 23914, 47828, 95656, 105439, 191312, 210878, 421756, 843512, 1159829, 1687024, 2319658, 4639316, 9278632, 18557264]

約数ペア:

[(1, 18557264), (2, 9278632), (4, 4639316), (8, 2319658), (11, 1687024), (16, 1159829), (22, 843512), (44, 421756), (88, 210878), (97, 191312), (176, 105439), (194, 95656), (388, 47828), (776, 23914), (1067, 17392), (1087, 17072), (1552, 11957), (2134, 8696), (2174, 8536), (4268, 4348)]