18695872

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1025

約数の個数: 56

約数和(自身を含む): 41733216

約数和(自身を除く): 23037344

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 598, 736, 832, 977, 1196, 1472, 1954, 2392, 3908, 4784, 7816, 9568, 12701, 15632, 19136, 22471, 25402, 31264, 44942, 50804, 62528, 89884, 101608, 179768, 203216, 292123, 359536, 406432, 584246, 719072, 812864, 1168492, 1438144, 2336984, 4673968, 9347936, 18695872]

約数ペア:

[(1, 18695872), (2, 9347936), (4, 4673968), (8, 2336984), (13, 1438144), (16, 1168492), (23, 812864), (26, 719072), (32, 584246), (46, 406432), (52, 359536), (64, 292123), (92, 203216), (104, 179768), (184, 101608), (208, 89884), (299, 62528), (368, 50804), (416, 44942), (598, 31264), (736, 25402), (832, 22471), (977, 19136), (1196, 15632), (1472, 12701), (1954, 9568), (2392, 7816), (3908, 4784)]