2019487910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:917

約数の個数: 64

約数和(自身を含む): 4017081600

約数和(自身を除く): 1997593690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 269, 278, 491, 538, 695, 982, 1345, 1390, 1529, 2455, 2690, 2959, 3058, 4910, 5401, 5918, 7645, 10802, 14795, 15290, 27005, 29590, 37391, 54010, 68249, 74782, 132079, 136498, 186955, 264158, 341245, 373910, 411301, 660395, 682490, 750739, 822602, 1320790, 1452869, 1501478, 2056505, 2905738, 3753695, 4113010, 7264345, 7507390, 14528690, 18358981, 36717962, 91794905, 183589810, 201948791, 403897582, 1009743955, 2019487910]

約数ペア:

[(1, 2019487910), (2, 1009743955), (5, 403897582), (10, 201948791), (11, 183589810), (22, 91794905), (55, 36717962), (110, 18358981), (139, 14528690), (269, 7507390), (278, 7264345), (491, 4113010), (538, 3753695), (695, 2905738), (982, 2056505), (1345, 1501478), (1390, 1452869), (1529, 1320790), (2455, 822602), (2690, 750739), (2959, 682490), (3058, 660395), (4910, 411301), (5401, 373910), (5918, 341245), (7645, 264158), (10802, 186955), (14795, 136498), (15290, 132079), (27005, 74782), (29590, 68249), (37391, 54010)]