19343670280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1871}}^1\times {\mathrm{23497}}^1$

素因数の和:25390

約数の個数: 64

約数和(自身を含む): 47507316480

約数和(自身を除く): 28163646200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1871, 3742, 7484, 9355, 14968, 18710, 20581, 23497, 37420, 41162, 46994, 74840, 82324, 93988, 102905, 117485, 164648, 187976, 205810, 234970, 258467, 411620, 469940, 516934, 823240, 939880, 1033868, 1292335, 2067736, 2584670, 5169340, 10338680, 43962887, 87925774, 175851548, 219814435, 351703096, 439628870, 483591757, 879257740, 967183514, 1758515480, 1934367028, 2417958785, 3868734056, 4835917570, 9671835140, 19343670280]

約数ペア:

[(1, 19343670280), (2, 9671835140), (4, 4835917570), (5, 3868734056), (8, 2417958785), (10, 1934367028), (11, 1758515480), (20, 967183514), (22, 879257740), (40, 483591757), (44, 439628870), (55, 351703096), (88, 219814435), (110, 175851548), (220, 87925774), (440, 43962887), (1871, 10338680), (3742, 5169340), (7484, 2584670), (9355, 2067736), (14968, 1292335), (18710, 1033868), (20581, 939880), (23497, 823240), (37420, 516934), (41162, 469940), (46994, 411620), (74840, 258467), (82324, 234970), (93988, 205810), (102905, 187976), (117485, 164648)]