18804812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4357}}^1$

素因数の和:4457

約数の個数: 24

約数和(自身を含む): 35875056

約数和(自身を除く): 17070244

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4357, 8714, 17428, 56641, 113282, 226564, 361631, 723262, 1446524, 4701203, 9402406, 18804812]

約数ペア:

[(1, 18804812), (2, 9402406), (4, 4701203), (13, 1446524), (26, 723262), (52, 361631), (83, 226564), (166, 113282), (332, 56641), (1079, 17428), (2158, 8714), (4316, 4357)]