19657495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 29191680

約数和(自身を除く): 9534185

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 1447, 2717, 7235, 13585, 15917, 18811, 27493, 79585, 94055, 137465, 206921, 302423, 357409, 1034605, 1512115, 1787045, 3931499, 19657495]

約数ペア:

[(1, 19657495), (5, 3931499), (11, 1787045), (13, 1512115), (19, 1034605), (55, 357409), (65, 302423), (95, 206921), (143, 137465), (209, 94055), (247, 79585), (715, 27493), (1045, 18811), (1235, 15917), (1447, 13585), (2717, 7235)]