19542780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108571}}^1$

素因数の和:108586

約数の個数: 36

約数和(自身を含む): 59280312

約数和(自身を除く): 39737532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108571, 217142, 325713, 434284, 542855, 651426, 977139, 1085710, 1302852, 1628565, 1954278, 2171420, 3257130, 3908556, 4885695, 6514260, 9771390, 19542780]

約数ペア:

[(1, 19542780), (2, 9771390), (3, 6514260), (4, 4885695), (5, 3908556), (6, 3257130), (9, 2171420), (10, 1954278), (12, 1628565), (15, 1302852), (18, 1085710), (20, 977139), (30, 651426), (36, 542855), (45, 434284), (60, 325713), (90, 217142), (180, 108571)]