19655872

素因数分解:

$2^6\times {\mathrm{197}}^1\times {\mathrm{1559}}^1$

素因数の和:1768

約数の個数: 28

約数和(自身を含む): 39227760

約数和(自身を除く): 19571888

約数列:

[1, 2, 4, 8, 16, 32, 64, 197, 394, 788, 1559, 1576, 3118, 3152, 6236, 6304, 12472, 12608, 24944, 49888, 99776, 307123, 614246, 1228492, 2456984, 4913968, 9827936, 19655872]

約数ペア:

[(1, 19655872), (2, 9827936), (4, 4913968), (8, 2456984), (16, 1228492), (32, 614246), (64, 307123), (197, 99776), (394, 49888), (788, 24944), (1559, 12608), (1576, 12472), (3118, 6304), (3152, 6236)]