19464640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4679}}^1$

素因数の和:4709

約数の個数: 56

約数和(自身を含む): 49926240

約数和(自身を除く): 30461600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4679, 9358, 18716, 23395, 37432, 46790, 60827, 74864, 93580, 121654, 149728, 187160, 243308, 299456, 304135, 374320, 486616, 608270, 748640, 973232, 1216540, 1497280, 1946464, 2433080, 3892928, 4866160, 9732320, 19464640]

約数ペア:

[(1, 19464640), (2, 9732320), (4, 4866160), (5, 3892928), (8, 2433080), (10, 1946464), (13, 1497280), (16, 1216540), (20, 973232), (26, 748640), (32, 608270), (40, 486616), (52, 374320), (64, 304135), (65, 299456), (80, 243308), (104, 187160), (130, 149728), (160, 121654), (208, 93580), (260, 74864), (320, 60827), (416, 46790), (520, 37432), (832, 23395), (1040, 18716), (2080, 9358), (4160, 4679)]