2018490080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{663977}}^1$

素因数の和:664011

約数の個数: 48

約数和(自身を含む): 5019673680

約数和(自身を除く): 3001183600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 663977, 1327954, 2655908, 3319885, 5311816, 6639770, 10623632, 12615563, 13279540, 21247264, 25231126, 26559080, 50462252, 53118160, 63077815, 100924504, 106236320, 126155630, 201849008, 252311260, 403698016, 504622520, 1009245040, 2018490080]

約数ペア:

[(1, 2018490080), (2, 1009245040), (4, 504622520), (5, 403698016), (8, 252311260), (10, 201849008), (16, 126155630), (19, 106236320), (20, 100924504), (32, 63077815), (38, 53118160), (40, 50462252), (76, 26559080), (80, 25231126), (95, 21247264), (152, 13279540), (160, 12615563), (190, 10623632), (304, 6639770), (380, 5311816), (608, 3319885), (760, 2655908), (1520, 1327954), (3040, 663977)]