18733910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2719}}^1$

素因数の和:2792

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 18279850

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 2719, 3445, 5438, 6890, 13595, 27190, 35347, 70694, 144107, 176735, 288214, 353470, 720535, 1441070, 1873391, 3746782, 9366955, 18733910]

約数ペア:

[(1, 18733910), (2, 9366955), (5, 3746782), (10, 1873391), (13, 1441070), (26, 720535), (53, 353470), (65, 288214), (106, 176735), (130, 144107), (265, 70694), (530, 35347), (689, 27190), (1378, 13595), (2719, 6890), (3445, 5438)]