18638188

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:762

約数の個数: 36

約数和(自身を含む): 36206352

約数和(自身を除く): 17568164

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 289, 391, 578, 701, 782, 1156, 1402, 1564, 2804, 6647, 11917, 13294, 16123, 23834, 26588, 32246, 47668, 64492, 202589, 274091, 405178, 548182, 810356, 1096364, 4659547, 9319094, 18638188]

約数ペア:

[(1, 18638188), (2, 9319094), (4, 4659547), (17, 1096364), (23, 810356), (34, 548182), (46, 405178), (68, 274091), (92, 202589), (289, 64492), (391, 47668), (578, 32246), (701, 26588), (782, 23834), (1156, 16123), (1402, 13294), (1564, 11917), (2804, 6647)]