18294016

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 41207040

約数和(自身を除く): 22913024

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 239, 256, 299, 368, 416, 478, 598, 736, 832, 956, 1196, 1472, 1664, 1912, 2392, 2944, 3107, 3328, 3824, 4784, 5497, 5888, 6214, 7648, 9568, 10994, 12428, 15296, 19136, 21988, 24856, 30592, 38272, 43976, 49712, 61184, 71461, 76544, 87952, 99424, 142922, 175904, 198848, 285844, 351808, 397696, 571688, 703616, 795392, 1143376, 1407232, 2286752, 4573504, 9147008, 18294016]

約数ペア:

[(1, 18294016), (2, 9147008), (4, 4573504), (8, 2286752), (13, 1407232), (16, 1143376), (23, 795392), (26, 703616), (32, 571688), (46, 397696), (52, 351808), (64, 285844), (92, 198848), (104, 175904), (128, 142922), (184, 99424), (208, 87952), (239, 76544), (256, 71461), (299, 61184), (368, 49712), (416, 43976), (478, 38272), (598, 30592), (736, 24856), (832, 21988), (956, 19136), (1196, 15296), (1472, 12428), (1664, 10994), (1912, 9568), (2392, 7648), (2944, 6214), (3107, 5888), (3328, 5497), (3824, 4784)]