19222020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4643}}^1$

素因数の和:4681

約数の個数: 72

約数和(自身を含む): 60854976

約数和(自身を除く): 41632956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4643, 9286, 13929, 18572, 23215, 27858, 41787, 46430, 55716, 69645, 83574, 92860, 106789, 139290, 167148, 208935, 213578, 278580, 320367, 417870, 427156, 533945, 640734, 835740, 961101, 1067890, 1281468, 1601835, 1922202, 2135780, 3203670, 3844404, 4805505, 6407340, 9611010, 19222020]

約数ペア:

[(1, 19222020), (2, 9611010), (3, 6407340), (4, 4805505), (5, 3844404), (6, 3203670), (9, 2135780), (10, 1922202), (12, 1601835), (15, 1281468), (18, 1067890), (20, 961101), (23, 835740), (30, 640734), (36, 533945), (45, 427156), (46, 417870), (60, 320367), (69, 278580), (90, 213578), (92, 208935), (115, 167148), (138, 139290), (180, 106789), (207, 92860), (230, 83574), (276, 69645), (345, 55716), (414, 46430), (460, 41787), (690, 27858), (828, 23215), (1035, 18572), (1380, 13929), (2070, 9286), (4140, 4643)]