1809212912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{122509}}^1$

素因数の和:122601

約数の個数: 40

約数和(自身を含む): 3828192480

約数和(自身を除く): 2018979568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 122509, 245018, 490036, 980072, 1592617, 1960144, 3185234, 6370468, 8698139, 12740936, 17396278, 25481872, 34792556, 69585112, 113075807, 139170224, 226151614, 452303228, 904606456, 1809212912]

約数ペア:

[(1, 1809212912), (2, 904606456), (4, 452303228), (8, 226151614), (13, 139170224), (16, 113075807), (26, 69585112), (52, 34792556), (71, 25481872), (104, 17396278), (142, 12740936), (208, 8698139), (284, 6370468), (568, 3185234), (923, 1960144), (1136, 1592617), (1846, 980072), (3692, 490036), (7384, 245018), (14768, 122509)]