19155796621

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 21880065600

約数和(自身を除く): 2724268979

約数列:

[1, 13, 37, 59, 137, 169, 379, 481, 767, 1781, 2183, 4927, 5069, 6253, 8083, 9971, 14023, 22361, 23153, 28379, 51923, 64051, 65897, 105079, 182299, 290693, 299071, 368927, 674999, 827357, 856661, 1366027, 1921151, 2369887, 3063457, 3779009, 3887923, 8774987, 10755641, 24974963, 39824941, 50542999, 113347909, 139823333, 324674519, 517724233, 1473522817, 19155796621]

約数ペア:

[(1, 19155796621), (13, 1473522817), (37, 517724233), (59, 324674519), (137, 139823333), (169, 113347909), (379, 50542999), (481, 39824941), (767, 24974963), (1781, 10755641), (2183, 8774987), (4927, 3887923), (5069, 3779009), (6253, 3063457), (8083, 2369887), (9971, 1921151), (14023, 1366027), (22361, 856661), (23153, 827357), (28379, 674999), (51923, 368927), (64051, 299071), (65897, 290693), (105079, 182299)]