19638606

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3449}}^1$

素因数の和:3540

約数の個数: 32

約数和(自身を含む): 42890400

約数和(自身を除く): 23251794

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 3449, 5694, 6898, 10347, 20694, 44837, 89674, 134511, 251777, 269022, 503554, 755331, 1510662, 3273101, 6546202, 9819303, 19638606]

約数ペア:

[(1, 19638606), (2, 9819303), (3, 6546202), (6, 3273101), (13, 1510662), (26, 755331), (39, 503554), (73, 269022), (78, 251777), (146, 134511), (219, 89674), (438, 44837), (949, 20694), (1898, 10347), (2847, 6898), (3449, 5694)]