18934645

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{809}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 4704395

約数列:

[1, 5, 31, 151, 155, 755, 809, 4045, 4681, 23405, 25079, 122159, 125395, 610795, 3786929, 18934645]

約数ペア:

[(1, 18934645), (5, 3786929), (31, 610795), (151, 125395), (155, 122159), (755, 25079), (809, 23405), (4045, 4681)]