18627776

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:313

約数の個数: 56

約数和(自身を含む): 39258240

約数和(自身を除く): 20630464

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 164, 229, 248, 328, 458, 496, 656, 916, 992, 1271, 1312, 1832, 1984, 2542, 2624, 3664, 5084, 7099, 7328, 9389, 10168, 14198, 14656, 18778, 20336, 28396, 37556, 40672, 56792, 75112, 81344, 113584, 150224, 227168, 291059, 300448, 454336, 582118, 600896, 1164236, 2328472, 4656944, 9313888, 18627776]

約数ペア:

[(1, 18627776), (2, 9313888), (4, 4656944), (8, 2328472), (16, 1164236), (31, 600896), (32, 582118), (41, 454336), (62, 300448), (64, 291059), (82, 227168), (124, 150224), (164, 113584), (229, 81344), (248, 75112), (328, 56792), (458, 40672), (496, 37556), (656, 28396), (916, 20336), (992, 18778), (1271, 14656), (1312, 14198), (1832, 10168), (1984, 9389), (2542, 7328), (2624, 7099), (3664, 5084)]