18895510089

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{220559}}^1$

素因数の和:220754

約数の個数: 32

約数和(自身を含む): 29643264000

約数和(自身を除く): 10747753911

約数列:

[1, 3, 9, 19, 27, 57, 167, 171, 501, 513, 1503, 3173, 4509, 9519, 28557, 85671, 220559, 661677, 1985031, 4190621, 5955093, 12571863, 36833353, 37715589, 110500059, 113146767, 331500177, 699833707, 994500531, 2099501121, 6298503363, 18895510089]

約数ペア:

[(1, 18895510089), (3, 6298503363), (9, 2099501121), (19, 994500531), (27, 699833707), (57, 331500177), (167, 113146767), (171, 110500059), (501, 37715589), (513, 36833353), (1503, 12571863), (3173, 5955093), (4509, 4190621), (9519, 1985031), (28557, 661677), (85671, 220559)]