19158412

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 42989856

約数和(自身を除く): 23831444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 73, 91, 98, 103, 146, 182, 196, 206, 292, 364, 412, 511, 637, 721, 949, 1022, 1274, 1339, 1442, 1898, 2044, 2548, 2678, 2884, 3577, 3796, 5047, 5356, 6643, 7154, 7519, 9373, 10094, 13286, 14308, 15038, 18746, 20188, 26572, 30076, 37492, 46501, 52633, 65611, 93002, 97747, 105266, 131222, 186004, 195494, 210532, 262444, 368431, 390988, 684229, 736862, 1368458, 1473724, 2736916, 4789603, 9579206, 19158412]

約数ペア:

[(1, 19158412), (2, 9579206), (4, 4789603), (7, 2736916), (13, 1473724), (14, 1368458), (26, 736862), (28, 684229), (49, 390988), (52, 368431), (73, 262444), (91, 210532), (98, 195494), (103, 186004), (146, 131222), (182, 105266), (196, 97747), (206, 93002), (292, 65611), (364, 52633), (412, 46501), (511, 37492), (637, 30076), (721, 26572), (949, 20188), (1022, 18746), (1274, 15038), (1339, 14308), (1442, 13286), (1898, 10094), (2044, 9373), (2548, 7519), (2678, 7154), (2884, 6643), (3577, 5356), (3796, 5047)]