18772020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{34763}}^1$

素因数の和:34781

約数の個数: 48

約数和(自身を含む): 58403520

約数和(自身を除く): 39631500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 34763, 69526, 104289, 139052, 173815, 208578, 312867, 347630, 417156, 521445, 625734, 695260, 938601, 1042890, 1251468, 1564335, 1877202, 2085780, 3128670, 3754404, 4693005, 6257340, 9386010, 18772020]

約数ペア:

[(1, 18772020), (2, 9386010), (3, 6257340), (4, 4693005), (5, 3754404), (6, 3128670), (9, 2085780), (10, 1877202), (12, 1564335), (15, 1251468), (18, 1042890), (20, 938601), (27, 695260), (30, 625734), (36, 521445), (45, 417156), (54, 347630), (60, 312867), (90, 208578), (108, 173815), (135, 139052), (180, 104289), (270, 69526), (540, 34763)]