19540890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{217121}}^1$

素因数の和:217134

約数の個数: 24

約数和(自身を含む): 50806548

約数和(自身を除く): 31265658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 217121, 434242, 651363, 1085605, 1302726, 1954089, 2171210, 3256815, 3908178, 6513630, 9770445, 19540890]

約数ペア:

[(1, 19540890), (2, 9770445), (3, 6513630), (5, 3908178), (6, 3256815), (9, 2171210), (10, 1954089), (15, 1302726), (18, 1085605), (30, 651363), (45, 434242), (90, 217121)]