18622864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89533}}^1$

素因数の和:89554

約数の個数: 20

約数和(自身を含む): 38857756

約数和(自身を除く): 20234892

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89533, 179066, 358132, 716264, 1163929, 1432528, 2327858, 4655716, 9311432, 18622864]

約数ペア:

[(1, 18622864), (2, 9311432), (4, 4655716), (8, 2327858), (13, 1432528), (16, 1163929), (26, 716264), (52, 358132), (104, 179066), (208, 89533)]