18621392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:555

約数の個数: 40

約数和(自身を含む): 38497536

約数和(自身を除く): 19876144

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 223, 272, 307, 446, 614, 892, 1228, 1784, 2456, 3568, 3791, 4912, 5219, 7582, 10438, 15164, 20876, 30328, 41752, 60656, 68461, 83504, 136922, 273844, 547688, 1095376, 1163837, 2327674, 4655348, 9310696, 18621392]

約数ペア:

[(1, 18621392), (2, 9310696), (4, 4655348), (8, 2327674), (16, 1163837), (17, 1095376), (34, 547688), (68, 273844), (136, 136922), (223, 83504), (272, 68461), (307, 60656), (446, 41752), (614, 30328), (892, 20876), (1228, 15164), (1784, 10438), (2456, 7582), (3568, 5219), (3791, 4912)]