19499170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4987}}^1$

素因数の和:5034

約数の個数: 32

約数和(自身を含む): 38786688

約数和(自身を除く): 19287518

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 4987, 9974, 24935, 49870, 84779, 114701, 169558, 229402, 423895, 573505, 847790, 1147010, 1949917, 3899834, 9749585, 19499170]

約数ペア:

[(1, 19499170), (2, 9749585), (5, 3899834), (10, 1949917), (17, 1147010), (23, 847790), (34, 573505), (46, 423895), (85, 229402), (115, 169558), (170, 114701), (230, 84779), (391, 49870), (782, 24935), (1955, 9974), (3910, 4987)]