19762965

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{457}}^1$

素因数の和:530

約数の個数: 36

約数和(自身を含む): 35473932

約数和(自身を除く): 15710967

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 457, 465, 961, 1371, 1395, 2285, 2883, 4113, 4805, 6855, 8649, 14167, 14415, 20565, 42501, 43245, 70835, 127503, 212505, 439177, 637515, 1317531, 2195885, 3952593, 6587655, 19762965]

約数ペア:

[(1, 19762965), (3, 6587655), (5, 3952593), (9, 2195885), (15, 1317531), (31, 637515), (45, 439177), (93, 212505), (155, 127503), (279, 70835), (457, 43245), (465, 42501), (961, 20565), (1371, 14415), (1395, 14167), (2285, 8649), (2883, 6855), (4113, 4805)]