19215328

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 41852160

約数和(自身を除く): 22636832

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 691, 869, 1264, 1382, 1738, 2528, 2764, 3476, 5528, 6952, 7601, 11056, 13904, 15202, 22112, 27808, 30404, 54589, 60808, 109178, 121616, 218356, 243232, 436712, 600479, 873424, 1200958, 1746848, 2401916, 4803832, 9607664, 19215328]

約数ペア:

[(1, 19215328), (2, 9607664), (4, 4803832), (8, 2401916), (11, 1746848), (16, 1200958), (22, 873424), (32, 600479), (44, 436712), (79, 243232), (88, 218356), (158, 121616), (176, 109178), (316, 60808), (352, 54589), (632, 30404), (691, 27808), (869, 22112), (1264, 15202), (1382, 13904), (1738, 11056), (2528, 7601), (2764, 6952), (3476, 5528)]