2019911270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{6977}}^1$

素因数の和:7145

約数の個数: 64

約数和(自身を含む): 4178091456

約数和(自身を除く): 2158180186

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 131, 170, 221, 262, 442, 655, 1105, 1310, 1703, 2210, 2227, 3406, 4454, 6977, 8515, 11135, 13954, 17030, 22270, 28951, 34885, 57902, 69770, 90701, 118609, 144755, 181402, 237218, 289510, 453505, 593045, 907010, 913987, 1186090, 1541917, 1827974, 3083834, 4569935, 7709585, 9139870, 11881831, 15419170, 15537779, 23763662, 31075558, 59409155, 77688895, 118818310, 155377790, 201991127, 403982254, 1009955635, 2019911270]

約数ペア:

[(1, 2019911270), (2, 1009955635), (5, 403982254), (10, 201991127), (13, 155377790), (17, 118818310), (26, 77688895), (34, 59409155), (65, 31075558), (85, 23763662), (130, 15537779), (131, 15419170), (170, 11881831), (221, 9139870), (262, 7709585), (442, 4569935), (655, 3083834), (1105, 1827974), (1310, 1541917), (1703, 1186090), (2210, 913987), (2227, 907010), (3406, 593045), (4454, 453505), (6977, 289510), (8515, 237218), (11135, 181402), (13954, 144755), (17030, 118609), (22270, 90701), (28951, 69770), (34885, 57902)]