19358378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 13905622

約数列:

[1, 2, 13, 19, 26, 38, 149, 247, 263, 298, 494, 526, 1937, 2831, 3419, 3874, 4997, 5662, 6838, 9994, 36803, 39187, 64961, 73606, 78374, 129922, 509431, 744553, 1018862, 1489106, 9679189, 19358378]

約数ペア:

[(1, 19358378), (2, 9679189), (13, 1489106), (19, 1018862), (26, 744553), (38, 509431), (149, 129922), (247, 78374), (263, 73606), (298, 64961), (494, 39187), (526, 36803), (1937, 9994), (2831, 6838), (3419, 5662), (3874, 4997)]