19971776

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{2579}}^1$

素因数の和:2613

約数の個数: 42

約数和(自身を含む): 43578780

約数和(自身を除く): 23607004

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1936, 2579, 3872, 5158, 7744, 10316, 20632, 28369, 41264, 56738, 82528, 113476, 165056, 226952, 312059, 453904, 624118, 907808, 1248236, 1815616, 2496472, 4992944, 9985888, 19971776]

約数ペア:

[(1, 19971776), (2, 9985888), (4, 4992944), (8, 2496472), (11, 1815616), (16, 1248236), (22, 907808), (32, 624118), (44, 453904), (64, 312059), (88, 226952), (121, 165056), (176, 113476), (242, 82528), (352, 56738), (484, 41264), (704, 28369), (968, 20632), (1936, 10316), (2579, 7744), (3872, 5158)]