2019841360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1328843}}^1$

素因数の和:1328875

約数の個数: 40

約数和(自身を含む): 4943299680

約数和(自身を除く): 2923458320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1328843, 2657686, 5315372, 6644215, 10630744, 13288430, 21261488, 25248017, 26576860, 50496034, 53153720, 100992068, 106307440, 126240085, 201984136, 252480170, 403968272, 504960340, 1009920680, 2019841360]

約数ペア:

[(1, 2019841360), (2, 1009920680), (4, 504960340), (5, 403968272), (8, 252480170), (10, 201984136), (16, 126240085), (19, 106307440), (20, 100992068), (38, 53153720), (40, 50496034), (76, 26576860), (80, 25248017), (95, 21261488), (152, 13288430), (190, 10630744), (304, 6644215), (380, 5315372), (760, 2657686), (1520, 1328843)]