15909528020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{573523}}^1$

素因数の和:573624

約数の個数: 48

約数和(自身を含む): 35650251840

約数和(自身を除く): 19740723820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 13870, 27740, 573523, 1147046, 2294092, 2867615, 5735230, 10896937, 11470460, 21793874, 41867179, 43587748, 54484685, 83734358, 108969370, 167468716, 209335895, 217938740, 418671790, 795476401, 837343580, 1590952802, 3181905604, 3977382005, 7954764010, 15909528020]

約数ペア:

[(1, 15909528020), (2, 7954764010), (4, 3977382005), (5, 3181905604), (10, 1590952802), (19, 837343580), (20, 795476401), (38, 418671790), (73, 217938740), (76, 209335895), (95, 167468716), (146, 108969370), (190, 83734358), (292, 54484685), (365, 43587748), (380, 41867179), (730, 21793874), (1387, 11470460), (1460, 10896937), (2774, 5735230), (5548, 2867615), (6935, 2294092), (13870, 1147046), (27740, 573523)]