219709926

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{171917}}^1$

素因数の和:171996

約数の個数: 24

約数和(自身を含む): 482745744

約数和(自身を除く): 263035818

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 171917, 343834, 515751, 1031502, 1547253, 3094506, 12206107, 24412214, 36618321, 73236642, 109854963, 219709926]

約数ペア:

[(1, 219709926), (2, 109854963), (3, 73236642), (6, 36618321), (9, 24412214), (18, 12206107), (71, 3094506), (142, 1547253), (213, 1031502), (426, 515751), (639, 343834), (1278, 171917)]