19428120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17989}}^1$

素因数の和:18009

約数の個数: 64

約数和(自身を含む): 64764000

約数和(自身を除く): 45335880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 17989, 35978, 53967, 71956, 89945, 107934, 143912, 161901, 179890, 215868, 269835, 323802, 359780, 431736, 485703, 539670, 647604, 719560, 809505, 971406, 1079340, 1295208, 1619010, 1942812, 2158680, 2428515, 3238020, 3885624, 4857030, 6476040, 9714060, 19428120]

約数ペア:

[(1, 19428120), (2, 9714060), (3, 6476040), (4, 4857030), (5, 3885624), (6, 3238020), (8, 2428515), (9, 2158680), (10, 1942812), (12, 1619010), (15, 1295208), (18, 1079340), (20, 971406), (24, 809505), (27, 719560), (30, 647604), (36, 539670), (40, 485703), (45, 431736), (54, 359780), (60, 323802), (72, 269835), (90, 215868), (108, 179890), (120, 161901), (135, 143912), (180, 107934), (216, 89945), (270, 71956), (360, 53967), (540, 35978), (1080, 17989)]