18233776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 38801088

約数和(自身を除く): 20567312

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 211, 422, 491, 844, 982, 1688, 1964, 2321, 3376, 3928, 4642, 5401, 7856, 9284, 10802, 18568, 21604, 37136, 43208, 86416, 103601, 207202, 414404, 828808, 1139611, 1657616, 2279222, 4558444, 9116888, 18233776]

約数ペア:

[(1, 18233776), (2, 9116888), (4, 4558444), (8, 2279222), (11, 1657616), (16, 1139611), (22, 828808), (44, 414404), (88, 207202), (176, 103601), (211, 86416), (422, 43208), (491, 37136), (844, 21604), (982, 18568), (1688, 10802), (1964, 9284), (2321, 7856), (3376, 5401), (3928, 4642)]