18643952

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{1801}}^1$

素因数の和:2456

約数の個数: 20

約数和(自身を含む): 36198576

約数和(自身を除く): 17554624

約数列:

[1, 2, 4, 8, 16, 647, 1294, 1801, 2588, 3602, 5176, 7204, 10352, 14408, 28816, 1165247, 2330494, 4660988, 9321976, 18643952]

約数ペア:

[(1, 18643952), (2, 9321976), (4, 4660988), (8, 2330494), (16, 1165247), (647, 28816), (1294, 14408), (1801, 10352), (2588, 7204), (3602, 5176)]