19128488

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 37359360

約数和(自身を除く): 18230872

約数列:

[1, 2, 4, 8, 31, 62, 124, 137, 248, 274, 548, 563, 1096, 1126, 2252, 4247, 4504, 8494, 16988, 17453, 33976, 34906, 69812, 77131, 139624, 154262, 308524, 617048, 2391061, 4782122, 9564244, 19128488]

約数ペア:

[(1, 19128488), (2, 9564244), (4, 4782122), (8, 2391061), (31, 617048), (62, 308524), (124, 154262), (137, 139624), (248, 77131), (274, 69812), (548, 34906), (563, 33976), (1096, 17453), (1126, 16988), (2252, 8494), (4247, 4504)]