19441980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108011}}^1$

素因数の和:108026

約数の個数: 36

約数和(自身を含む): 58974552

約数和(自身を除く): 39532572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108011, 216022, 324033, 432044, 540055, 648066, 972099, 1080110, 1296132, 1620165, 1944198, 2160220, 3240330, 3888396, 4860495, 6480660, 9720990, 19441980]

約数ペア:

[(1, 19441980), (2, 9720990), (3, 6480660), (4, 4860495), (5, 3888396), (6, 3240330), (9, 2160220), (10, 1944198), (12, 1620165), (15, 1296132), (18, 1080110), (20, 972099), (30, 648066), (36, 540055), (45, 432044), (60, 324033), (90, 216022), (180, 108011)]