18729256

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1979}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 43480800

約数和(自身を除く): 24751544

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 1979, 2366, 3958, 4732, 7916, 9464, 13853, 15832, 25727, 27706, 51454, 55412, 102908, 110824, 180089, 205816, 334451, 360178, 668902, 720356, 1337804, 1440712, 2341157, 2675608, 4682314, 9364628, 18729256]

約数ペア:

[(1, 18729256), (2, 9364628), (4, 4682314), (7, 2675608), (8, 2341157), (13, 1440712), (14, 1337804), (26, 720356), (28, 668902), (52, 360178), (56, 334451), (91, 205816), (104, 180089), (169, 110824), (182, 102908), (338, 55412), (364, 51454), (676, 27706), (728, 25727), (1183, 15832), (1352, 13853), (1979, 9464), (2366, 7916), (3958, 4732)]