18628804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 36989568

約数和(自身を除く): 18360764

約数列:

[1, 2, 4, 17, 23, 34, 43, 46, 68, 86, 92, 172, 277, 391, 554, 731, 782, 989, 1108, 1462, 1564, 1978, 2924, 3956, 4709, 6371, 9418, 11911, 12742, 16813, 18836, 23822, 25484, 33626, 47644, 67252, 108307, 202487, 216614, 273953, 404974, 433228, 547906, 809948, 1095812, 4657201, 9314402, 18628804]

約数ペア:

[(1, 18628804), (2, 9314402), (4, 4657201), (17, 1095812), (23, 809948), (34, 547906), (43, 433228), (46, 404974), (68, 273953), (86, 216614), (92, 202487), (172, 108307), (277, 67252), (391, 47644), (554, 33626), (731, 25484), (782, 23822), (989, 18836), (1108, 16813), (1462, 12742), (1564, 11911), (1978, 9418), (2924, 6371), (3956, 4709)]