18499684

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21313}}^1$

素因数の和:21355

約数の個数: 24

約数和(自身を含む): 38194688

約数和(自身を除く): 19695004

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21313, 42626, 85252, 149191, 298382, 596764, 660703, 1321406, 2642812, 4624921, 9249842, 18499684]

約数ペア:

[(1, 18499684), (2, 9249842), (4, 4624921), (7, 2642812), (14, 1321406), (28, 660703), (31, 596764), (62, 298382), (124, 149191), (217, 85252), (434, 42626), (868, 21313)]