19075020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18701}}^1$

素因数の和:18730

約数の個数: 48

約数和(自身を含む): 56554848

約数和(自身を除く): 37479828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18701, 37402, 56103, 74804, 93505, 112206, 187010, 224412, 280515, 317917, 374020, 561030, 635834, 953751, 1122060, 1271668, 1589585, 1907502, 3179170, 3815004, 4768755, 6358340, 9537510, 19075020]

約数ペア:

[(1, 19075020), (2, 9537510), (3, 6358340), (4, 4768755), (5, 3815004), (6, 3179170), (10, 1907502), (12, 1589585), (15, 1271668), (17, 1122060), (20, 953751), (30, 635834), (34, 561030), (51, 374020), (60, 317917), (68, 280515), (85, 224412), (102, 187010), (170, 112206), (204, 93505), (255, 74804), (340, 56103), (510, 37402), (1020, 18701)]