19377990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1549}}^1$

素因数の和:1701

約数の個数: 48

約数和(自身を含む): 50778000

約数和(自身を除く): 31400010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 1549, 2085, 2502, 3098, 4170, 4647, 6255, 7745, 9294, 12510, 13941, 15490, 23235, 27882, 46470, 69705, 139410, 215311, 430622, 645933, 1076555, 1291866, 1937799, 2153110, 3229665, 3875598, 6459330, 9688995, 19377990]

約数ペア:

[(1, 19377990), (2, 9688995), (3, 6459330), (5, 3875598), (6, 3229665), (9, 2153110), (10, 1937799), (15, 1291866), (18, 1076555), (30, 645933), (45, 430622), (90, 215311), (139, 139410), (278, 69705), (417, 46470), (695, 27882), (834, 23235), (1251, 15490), (1390, 13941), (1549, 12510), (2085, 9294), (2502, 7745), (3098, 6255), (4170, 4647)]