18161308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 36812160

約数和(自身を除く): 18650852

約数列:

[1, 2, 4, 11, 22, 29, 43, 44, 58, 86, 116, 172, 319, 331, 473, 638, 662, 946, 1247, 1276, 1324, 1892, 2494, 3641, 4988, 7282, 9599, 13717, 14233, 14564, 19198, 27434, 28466, 38396, 54868, 56932, 105589, 156563, 211178, 313126, 412757, 422356, 626252, 825514, 1651028, 4540327, 9080654, 18161308]

約数ペア:

[(1, 18161308), (2, 9080654), (4, 4540327), (11, 1651028), (22, 825514), (29, 626252), (43, 422356), (44, 412757), (58, 313126), (86, 211178), (116, 156563), (172, 105589), (319, 56932), (331, 54868), (473, 38396), (638, 28466), (662, 27434), (946, 19198), (1247, 14564), (1276, 14233), (1324, 13717), (1892, 9599), (2494, 7282), (3641, 4988)]