19849770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{220553}}^1$

素因数の和:220566

約数の個数: 24

約数和(自身を含む): 51609636

約数和(自身を除く): 31759866

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 220553, 441106, 661659, 1102765, 1323318, 1984977, 2205530, 3308295, 3969954, 6616590, 9924885, 19849770]

約数ペア:

[(1, 19849770), (2, 9924885), (3, 6616590), (5, 3969954), (6, 3308295), (9, 2205530), (10, 1984977), (15, 1323318), (18, 1102765), (30, 661659), (45, 441106), (90, 220553)]