18640386

素因数分解:

$2^1\times 3^2\times {\mathrm{241}}^1\times {\mathrm{4297}}^1$

素因数の和:4546

約数の個数: 24

約数和(自身を含む): 40564524

約数和(自身を除く): 21924138

約数列:

[1, 2, 3, 6, 9, 18, 241, 482, 723, 1446, 2169, 4297, 4338, 8594, 12891, 25782, 38673, 77346, 1035577, 2071154, 3106731, 6213462, 9320193, 18640386]

約数ペア:

[(1, 18640386), (2, 9320193), (3, 6213462), (6, 3106731), (9, 2071154), (18, 1035577), (241, 77346), (482, 38673), (723, 25782), (1446, 12891), (2169, 8594), (4297, 4338)]