19783728

素因数分解:

$2^4\times 3^2\times {\mathrm{137387}}^1$

素因数の和:137401

約数の個数: 30

約数和(自身を含む): 55367364

約数和(自身を除く): 35583636

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137387, 274774, 412161, 549548, 824322, 1099096, 1236483, 1648644, 2198192, 2472966, 3297288, 4945932, 6594576, 9891864, 19783728]

約数ペア:

[(1, 19783728), (2, 9891864), (3, 6594576), (4, 4945932), (6, 3297288), (8, 2472966), (9, 2198192), (12, 1648644), (16, 1236483), (18, 1099096), (24, 824322), (36, 549548), (48, 412161), (72, 274774), (144, 137387)]