19168996

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 45160416

約数和(自身を除く): 25991420

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 187, 196, 238, 308, 374, 476, 523, 539, 748, 833, 1046, 1078, 1309, 1666, 2092, 2156, 2618, 3332, 3661, 5236, 5753, 7322, 8891, 9163, 11506, 14644, 17782, 18326, 23012, 25627, 35564, 36652, 40271, 51254, 62237, 80542, 97801, 102508, 124474, 161084, 195602, 248948, 281897, 391204, 435659, 563794, 684607, 871318, 1127588, 1369214, 1742636, 2738428, 4792249, 9584498, 19168996]

約数ペア:

[(1, 19168996), (2, 9584498), (4, 4792249), (7, 2738428), (11, 1742636), (14, 1369214), (17, 1127588), (22, 871318), (28, 684607), (34, 563794), (44, 435659), (49, 391204), (68, 281897), (77, 248948), (98, 195602), (119, 161084), (154, 124474), (187, 102508), (196, 97801), (238, 80542), (308, 62237), (374, 51254), (476, 40271), (523, 36652), (539, 35564), (748, 25627), (833, 23012), (1046, 18326), (1078, 17782), (1309, 14644), (1666, 11506), (2092, 9163), (2156, 8891), (2618, 7322), (3332, 5753), (3661, 5236)]