18878229

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2083}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 29259360

約数和(自身を除く): 10381131

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 2083, 3021, 6249, 9063, 18747, 39577, 110399, 118731, 331197, 356193, 993591, 2097581, 6292743, 18878229]

約数ペア:

[(1, 18878229), (3, 6292743), (9, 2097581), (19, 993591), (53, 356193), (57, 331197), (159, 118731), (171, 110399), (477, 39577), (1007, 18747), (2083, 9063), (3021, 6249)]