19438020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15427}}^1$

素因数の和:15449

約数の個数: 72

約数和(自身を含む): 67389504

約数和(自身を除く): 47951484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15427, 30854, 46281, 61708, 77135, 92562, 107989, 138843, 154270, 185124, 215978, 231405, 277686, 308540, 323967, 431956, 462810, 539945, 555372, 647934, 694215, 925620, 971901, 1079890, 1295868, 1388430, 1619835, 1943802, 2159780, 2776860, 3239670, 3887604, 4859505, 6479340, 9719010, 19438020]

約数ペア:

[(1, 19438020), (2, 9719010), (3, 6479340), (4, 4859505), (5, 3887604), (6, 3239670), (7, 2776860), (9, 2159780), (10, 1943802), (12, 1619835), (14, 1388430), (15, 1295868), (18, 1079890), (20, 971901), (21, 925620), (28, 694215), (30, 647934), (35, 555372), (36, 539945), (42, 462810), (45, 431956), (60, 323967), (63, 308540), (70, 277686), (84, 231405), (90, 215978), (105, 185124), (126, 154270), (140, 138843), (180, 107989), (210, 92562), (252, 77135), (315, 61708), (420, 46281), (630, 30854), (1260, 15427)]