19688220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109379}}^1$

素因数の和:109394

約数の個数: 36

約数和(自身を含む): 59721480

約数和(自身を除く): 40033260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109379, 218758, 328137, 437516, 546895, 656274, 984411, 1093790, 1312548, 1640685, 1968822, 2187580, 3281370, 3937644, 4922055, 6562740, 9844110, 19688220]

約数ペア:

[(1, 19688220), (2, 9844110), (3, 6562740), (4, 4922055), (5, 3937644), (6, 3281370), (9, 2187580), (10, 1968822), (12, 1640685), (15, 1312548), (18, 1093790), (20, 984411), (30, 656274), (36, 546895), (45, 437516), (60, 328137), (90, 218758), (180, 109379)]