19999530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{701}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 52237224

約数和(自身を除く): 32237694

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 317, 634, 701, 951, 1402, 1585, 1902, 2103, 2853, 3170, 3505, 4206, 4755, 5706, 6309, 7010, 9510, 10515, 12618, 14265, 21030, 28530, 31545, 63090, 222217, 444434, 666651, 1111085, 1333302, 1999953, 2222170, 3333255, 3999906, 6666510, 9999765, 19999530]

約数ペア:

[(1, 19999530), (2, 9999765), (3, 6666510), (5, 3999906), (6, 3333255), (9, 2222170), (10, 1999953), (15, 1333302), (18, 1111085), (30, 666651), (45, 444434), (90, 222217), (317, 63090), (634, 31545), (701, 28530), (951, 21030), (1402, 14265), (1585, 12618), (1902, 10515), (2103, 9510), (2853, 7010), (3170, 6309), (3505, 5706), (4206, 4755)]