19418724

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{13831}}^1$

素因数の和:13857

約数の個数: 48

約数和(自身を含む): 54221440

約数和(自身を除く): 34802716

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 13831, 27662, 41493, 55324, 82986, 124479, 165972, 179803, 248958, 359606, 373437, 497916, 539409, 719212, 746874, 1078818, 1493748, 1618227, 2157636, 3236454, 4854681, 6472908, 9709362, 19418724]

約数ペア:

[(1, 19418724), (2, 9709362), (3, 6472908), (4, 4854681), (6, 3236454), (9, 2157636), (12, 1618227), (13, 1493748), (18, 1078818), (26, 746874), (27, 719212), (36, 539409), (39, 497916), (52, 373437), (54, 359606), (78, 248958), (108, 179803), (117, 165972), (156, 124479), (234, 82986), (351, 55324), (468, 41493), (702, 27662), (1404, 13831)]