18840822

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3137}}^1$

素因数の和:3173

約数の個数: 64

約数和(自身を含む): 50609664

約数和(自身を除く): 31768842

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 182, 231, 273, 286, 429, 462, 546, 858, 1001, 2002, 3003, 3137, 6006, 6274, 9411, 18822, 21959, 34507, 40781, 43918, 65877, 69014, 81562, 103521, 122343, 131754, 207042, 241549, 244686, 285467, 448591, 483098, 570934, 724647, 856401, 897182, 1345773, 1449294, 1712802, 2691546, 3140137, 6280274, 9420411, 18840822]

約数ペア:

[(1, 18840822), (2, 9420411), (3, 6280274), (6, 3140137), (7, 2691546), (11, 1712802), (13, 1449294), (14, 1345773), (21, 897182), (22, 856401), (26, 724647), (33, 570934), (39, 483098), (42, 448591), (66, 285467), (77, 244686), (78, 241549), (91, 207042), (143, 131754), (154, 122343), (182, 103521), (231, 81562), (273, 69014), (286, 65877), (429, 43918), (462, 40781), (546, 34507), (858, 21959), (1001, 18822), (2002, 9411), (3003, 6274), (3137, 6006)]