18137392

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12457}}^1$

素因数の和:12485

約数の個数: 40

約数和(自身を含む): 43254176

約数和(自身を除く): 25116784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12457, 24914, 49828, 87199, 99656, 161941, 174398, 199312, 323882, 348796, 647764, 697592, 1133587, 1295528, 1395184, 2267174, 2591056, 4534348, 9068696, 18137392]

約数ペア:

[(1, 18137392), (2, 9068696), (4, 4534348), (7, 2591056), (8, 2267174), (13, 1395184), (14, 1295528), (16, 1133587), (26, 697592), (28, 647764), (52, 348796), (56, 323882), (91, 199312), (104, 174398), (112, 161941), (182, 99656), (208, 87199), (364, 49828), (728, 24914), (1456, 12457)]