19540928

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:741

約数の個数: 56

約数和(自身を含む): 43397424

約数和(自身を除く): 23856496

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 164, 176, 328, 352, 451, 656, 677, 704, 902, 1312, 1354, 1804, 2624, 2708, 3608, 5416, 7216, 7447, 10832, 14432, 14894, 21664, 27757, 28864, 29788, 43328, 55514, 59576, 111028, 119152, 222056, 238304, 305327, 444112, 476608, 610654, 888224, 1221308, 1776448, 2442616, 4885232, 9770464, 19540928]

約数ペア:

[(1, 19540928), (2, 9770464), (4, 4885232), (8, 2442616), (11, 1776448), (16, 1221308), (22, 888224), (32, 610654), (41, 476608), (44, 444112), (64, 305327), (82, 238304), (88, 222056), (164, 119152), (176, 111028), (328, 59576), (352, 55514), (451, 43328), (656, 29788), (677, 28864), (704, 27757), (902, 21664), (1312, 14894), (1354, 14432), (1804, 10832), (2624, 7447), (2708, 7216), (3608, 5416)]