19005810512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1286959}}^1$

素因数の和:1287051

約数の個数: 40

約数和(自身を含む): 40214926080

約数和(自身を除く): 21209115568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 1286959, 2573918, 5147836, 10295672, 16730467, 20591344, 33460934, 66921868, 91374089, 133843736, 182748178, 267687472, 365496356, 730992712, 1187863157, 1461985424, 2375726314, 4751452628, 9502905256, 19005810512]

約数ペア:

[(1, 19005810512), (2, 9502905256), (4, 4751452628), (8, 2375726314), (13, 1461985424), (16, 1187863157), (26, 730992712), (52, 365496356), (71, 267687472), (104, 182748178), (142, 133843736), (208, 91374089), (284, 66921868), (568, 33460934), (923, 20591344), (1136, 16730467), (1846, 10295672), (3692, 5147836), (7384, 2573918), (14768, 1286959)]