19451315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 8127565

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 607, 1105, 1885, 2465, 3035, 6409, 7891, 10319, 17603, 32045, 39455, 51595, 88015, 134147, 228839, 299251, 670735, 1144195, 1496255, 3890263, 19451315]

約数ペア:

[(1, 19451315), (5, 3890263), (13, 1496255), (17, 1144195), (29, 670735), (65, 299251), (85, 228839), (145, 134147), (221, 88015), (377, 51595), (493, 39455), (607, 32045), (1105, 17603), (1885, 10319), (2465, 7891), (3035, 6409)]