18837328

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{1831}}^1$

素因数の和:2482

約数の個数: 20

約数和(自身を含む): 36574048

約数和(自身を除く): 17736720

約数列:

[1, 2, 4, 8, 16, 643, 1286, 1831, 2572, 3662, 5144, 7324, 10288, 14648, 29296, 1177333, 2354666, 4709332, 9418664, 18837328]

約数ペア:

[(1, 18837328), (2, 9418664), (4, 4709332), (8, 2354666), (16, 1177333), (643, 29296), (1286, 14648), (1831, 10288), (2572, 7324), (3662, 5144)]