18991170080

素因数分解:

$2^5\times 5^1\times {\mathrm{17713}}^1\times {\mathrm{6701}}^1$

素因数の和:24429

約数の個数: 48

約数和(自身を含む): 44875868184

約数和(自身を除く): 25884698104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 6701, 13402, 17713, 26804, 33505, 35426, 53608, 67010, 70852, 88565, 107216, 134020, 141704, 177130, 214432, 268040, 283408, 354260, 536080, 566816, 708520, 1072160, 1417040, 2834080, 118694813, 237389626, 474779252, 593474065, 949558504, 1186948130, 1899117008, 2373896260, 3798234016, 4747792520, 9495585040, 18991170080]

約数ペア:

[(1, 18991170080), (2, 9495585040), (4, 4747792520), (5, 3798234016), (8, 2373896260), (10, 1899117008), (16, 1186948130), (20, 949558504), (32, 593474065), (40, 474779252), (80, 237389626), (160, 118694813), (6701, 2834080), (13402, 1417040), (17713, 1072160), (26804, 708520), (33505, 566816), (35426, 536080), (53608, 354260), (67010, 283408), (70852, 268040), (88565, 214432), (107216, 177130), (134020, 141704)]