19683640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6229}}^1$

素因数の和:6319

約数の個数: 32

約数和(自身を含む): 44856000

約数和(自身を除く): 25172360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6229, 12458, 24916, 31145, 49832, 62290, 124580, 249160, 492091, 984182, 1968364, 2460455, 3936728, 4920910, 9841820, 19683640]

約数ペア:

[(1, 19683640), (2, 9841820), (4, 4920910), (5, 3936728), (8, 2460455), (10, 1968364), (20, 984182), (40, 492091), (79, 249160), (158, 124580), (316, 62290), (395, 49832), (632, 31145), (790, 24916), (1580, 12458), (3160, 6229)]