19869390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{220771}}^1$

素因数の和:220784

約数の個数: 24

約数和(自身を含む): 51660648

約数和(自身を除く): 31791258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 220771, 441542, 662313, 1103855, 1324626, 1986939, 2207710, 3311565, 3973878, 6623130, 9934695, 19869390]

約数ペア:

[(1, 19869390), (2, 9934695), (3, 6623130), (5, 3973878), (6, 3311565), (9, 2207710), (10, 1986939), (15, 1324626), (18, 1103855), (30, 662313), (45, 441542), (90, 220771)]