19954638

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3251}}^1$

素因数の和:3301

約数の個数: 48

約数和(自身を含む): 48701952

約数和(自身を除く): 28747314

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 186, 198, 279, 341, 558, 682, 1023, 2046, 3069, 3251, 6138, 6502, 9753, 19506, 29259, 35761, 58518, 71522, 100781, 107283, 201562, 214566, 302343, 321849, 604686, 643698, 907029, 1108591, 1814058, 2217182, 3325773, 6651546, 9977319, 19954638]

約数ペア:

[(1, 19954638), (2, 9977319), (3, 6651546), (6, 3325773), (9, 2217182), (11, 1814058), (18, 1108591), (22, 907029), (31, 643698), (33, 604686), (62, 321849), (66, 302343), (93, 214566), (99, 201562), (186, 107283), (198, 100781), (279, 71522), (341, 58518), (558, 35761), (682, 29259), (1023, 19506), (2046, 9753), (3069, 6502), (3251, 6138)]