17768420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 41477184

約数和(自身を除く): 23708764

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 107, 115, 190, 214, 230, 361, 380, 428, 437, 460, 535, 722, 874, 1070, 1444, 1748, 1805, 2033, 2140, 2185, 2461, 3610, 4066, 4370, 4922, 7220, 8132, 8303, 8740, 9844, 10165, 12305, 16606, 20330, 24610, 33212, 38627, 40660, 41515, 46759, 49220, 77254, 83030, 93518, 154508, 166060, 187036, 193135, 233795, 386270, 467590, 772540, 888421, 935180, 1776842, 3553684, 4442105, 8884210, 17768420]

約数ペア:

[(1, 17768420), (2, 8884210), (4, 4442105), (5, 3553684), (10, 1776842), (19, 935180), (20, 888421), (23, 772540), (38, 467590), (46, 386270), (76, 233795), (92, 193135), (95, 187036), (107, 166060), (115, 154508), (190, 93518), (214, 83030), (230, 77254), (361, 49220), (380, 46759), (428, 41515), (437, 40660), (460, 38627), (535, 33212), (722, 24610), (874, 20330), (1070, 16606), (1444, 12305), (1748, 10165), (1805, 9844), (2033, 8740), (2140, 8303), (2185, 8132), (2461, 7220), (3610, 4922), (4066, 4370)]