19180640

素因数分解:

$2^5\times 5^1\times {\mathrm{313}}^1\times {\mathrm{383}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 45577728

約数和(自身を除く): 26397088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 313, 383, 626, 766, 1252, 1532, 1565, 1915, 2504, 3064, 3130, 3830, 5008, 6128, 6260, 7660, 10016, 12256, 12520, 15320, 25040, 30640, 50080, 61280, 119879, 239758, 479516, 599395, 959032, 1198790, 1918064, 2397580, 3836128, 4795160, 9590320, 19180640]

約数ペア:

[(1, 19180640), (2, 9590320), (4, 4795160), (5, 3836128), (8, 2397580), (10, 1918064), (16, 1198790), (20, 959032), (32, 599395), (40, 479516), (80, 239758), (160, 119879), (313, 61280), (383, 50080), (626, 30640), (766, 25040), (1252, 15320), (1532, 12520), (1565, 12256), (1915, 10016), (2504, 7660), (3064, 6260), (3130, 6128), (3830, 5008)]