18825840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2377}}^1$

素因数の和:2407

約数の個数: 120

約数和(自身を含む): 69000048

約数和(自身を除く): 50174208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2377, 2640, 3960, 4754, 7131, 7920, 9508, 11885, 14262, 19016, 21393, 23770, 26147, 28524, 35655, 38032, 42786, 47540, 52294, 57048, 71310, 78441, 85572, 95080, 104588, 106965, 114096, 130735, 142620, 156882, 171144, 190160, 209176, 213930, 235323, 261470, 285240, 313764, 342288, 392205, 418352, 427860, 470646, 522940, 570480, 627528, 784410, 855720, 941292, 1045880, 1176615, 1255056, 1568820, 1711440, 1882584, 2091760, 2353230, 3137640, 3765168, 4706460, 6275280, 9412920, 18825840]

約数ペア:

[(1, 18825840), (2, 9412920), (3, 6275280), (4, 4706460), (5, 3765168), (6, 3137640), (8, 2353230), (9, 2091760), (10, 1882584), (11, 1711440), (12, 1568820), (15, 1255056), (16, 1176615), (18, 1045880), (20, 941292), (22, 855720), (24, 784410), (30, 627528), (33, 570480), (36, 522940), (40, 470646), (44, 427860), (45, 418352), (48, 392205), (55, 342288), (60, 313764), (66, 285240), (72, 261470), (80, 235323), (88, 213930), (90, 209176), (99, 190160), (110, 171144), (120, 156882), (132, 142620), (144, 130735), (165, 114096), (176, 106965), (180, 104588), (198, 95080), (220, 85572), (240, 78441), (264, 71310), (330, 57048), (360, 52294), (396, 47540), (440, 42786), (495, 38032), (528, 35655), (660, 28524), (720, 26147), (792, 23770), (880, 21393), (990, 19016), (1320, 14262), (1584, 11885), (1980, 9508), (2377, 7920), (2640, 7131), (3960, 4754)]