19561160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13217}}^1$

素因数の和:13265

約数の個数: 32

約数和(自身を含む): 45205560

約数和(自身を除く): 25644400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13217, 26434, 52868, 66085, 105736, 132170, 264340, 489029, 528680, 978058, 1956116, 2445145, 3912232, 4890290, 9780580, 19561160]

約数ペア:

[(1, 19561160), (2, 9780580), (4, 4890290), (5, 3912232), (8, 2445145), (10, 1956116), (20, 978058), (37, 528680), (40, 489029), (74, 264340), (148, 132170), (185, 105736), (296, 66085), (370, 52868), (740, 26434), (1480, 13217)]