19709910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:530

約数の個数: 96

約数和(自身を含む): 57328128

約数和(自身を除く): 37618218

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 43, 45, 55, 66, 86, 90, 99, 110, 129, 165, 198, 215, 258, 330, 387, 430, 463, 473, 495, 645, 774, 926, 946, 990, 1290, 1389, 1419, 1935, 2315, 2365, 2778, 2838, 3870, 4167, 4257, 4630, 4730, 5093, 6945, 7095, 8334, 8514, 10186, 13890, 14190, 15279, 19909, 20835, 21285, 25465, 30558, 39818, 41670, 42570, 45837, 50930, 59727, 76395, 91674, 99545, 119454, 152790, 179181, 199090, 218999, 229185, 298635, 358362, 437998, 458370, 597270, 656997, 895905, 1094995, 1313994, 1791810, 1970991, 2189990, 3284985, 3941982, 6569970, 9854955, 19709910]

約数ペア:

[(1, 19709910), (2, 9854955), (3, 6569970), (5, 3941982), (6, 3284985), (9, 2189990), (10, 1970991), (11, 1791810), (15, 1313994), (18, 1094995), (22, 895905), (30, 656997), (33, 597270), (43, 458370), (45, 437998), (55, 358362), (66, 298635), (86, 229185), (90, 218999), (99, 199090), (110, 179181), (129, 152790), (165, 119454), (198, 99545), (215, 91674), (258, 76395), (330, 59727), (387, 50930), (430, 45837), (463, 42570), (473, 41670), (495, 39818), (645, 30558), (774, 25465), (926, 21285), (946, 20835), (990, 19909), (1290, 15279), (1389, 14190), (1419, 13890), (1935, 10186), (2315, 8514), (2365, 8334), (2778, 7095), (2838, 6945), (3870, 5093), (4167, 4730), (4257, 4630)]