19673995

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 26812800

約数和(自身を除く): 7138805

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 1049, 1705, 3751, 5245, 11539, 18755, 32519, 57695, 126929, 162595, 357709, 634645, 1788545, 3934799, 19673995]

約数ペア:

[(1, 19673995), (5, 3934799), (11, 1788545), (31, 634645), (55, 357709), (121, 162595), (155, 126929), (341, 57695), (605, 32519), (1049, 18755), (1705, 11539), (3751, 5245)]