1993424140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{71861}}^1$

素因数の和:71962

約数の個数: 48

約数和(自身を含む): 4466941920

約数和(自身を除く): 2473517780

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, 71861, 143722, 287444, 359305, 718610, 1365359, 1437220, 2730718, 5245853, 5461436, 6826795, 10491706, 13653590, 20983412, 26229265, 27307180, 52458530, 99671207, 104917060, 199342414, 398684828, 498356035, 996712070, 1993424140]

約数ペア:

[(1, 1993424140), (2, 996712070), (4, 498356035), (5, 398684828), (10, 199342414), (19, 104917060), (20, 99671207), (38, 52458530), (73, 27307180), (76, 26229265), (95, 20983412), (146, 13653590), (190, 10491706), (292, 6826795), (365, 5461436), (380, 5245853), (730, 2730718), (1387, 1437220), (1460, 1365359), (2774, 718610), (5548, 359305), (6935, 287444), (13870, 143722), (27740, 71861)]