19418958

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2677}}^1$

素因数の和:2729

約数の個数: 48

約数和(自身を含む): 46790016

約数和(自身を除く): 27371058

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2677, 3627, 5354, 7254, 8031, 16062, 24093, 34801, 48186, 69602, 82987, 104403, 165974, 208806, 248961, 313209, 497922, 626418, 746883, 1078831, 1493766, 2157662, 3236493, 6472986, 9709479, 19418958]

約数ペア:

[(1, 19418958), (2, 9709479), (3, 6472986), (6, 3236493), (9, 2157662), (13, 1493766), (18, 1078831), (26, 746883), (31, 626418), (39, 497922), (62, 313209), (78, 248961), (93, 208806), (117, 165974), (186, 104403), (234, 82987), (279, 69602), (403, 48186), (558, 34801), (806, 24093), (1209, 16062), (2418, 8031), (2677, 7254), (3627, 5354)]