19401538

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1030

約数の個数: 24

約数和(自身を含む): 32063796

約数和(自身を除く): 12662258

約数列:

[1, 2, 13, 26, 61, 122, 169, 338, 793, 941, 1586, 1882, 10309, 12233, 20618, 24466, 57401, 114802, 159029, 318058, 746213, 1492426, 9700769, 19401538]

約数ペア:

[(1, 19401538), (2, 9700769), (13, 1492426), (26, 746213), (61, 318058), (122, 159029), (169, 114802), (338, 57401), (793, 24466), (941, 20618), (1586, 12233), (1882, 10309)]