19990170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{222113}}^1$

素因数の和:222126

約数の個数: 24

約数和(自身を含む): 51974676

約数和(自身を除く): 31984506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 222113, 444226, 666339, 1110565, 1332678, 1999017, 2221130, 3331695, 3998034, 6663390, 9995085, 19990170]

約数ペア:

[(1, 19990170), (2, 9995085), (3, 6663390), (5, 3998034), (6, 3331695), (9, 2221130), (10, 1999017), (15, 1332678), (18, 1110565), (30, 666339), (45, 444226), (90, 222113)]