19443954

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 24792846

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 79, 102, 114, 127, 158, 237, 254, 323, 381, 474, 646, 762, 969, 1343, 1501, 1938, 2159, 2413, 2686, 3002, 4029, 4318, 4503, 4826, 6477, 7239, 8058, 9006, 10033, 12954, 14478, 20066, 25517, 30099, 41021, 51034, 60198, 76551, 82042, 123063, 153102, 170561, 190627, 246126, 341122, 381254, 511683, 571881, 1023366, 1143762, 3240659, 6481318, 9721977, 19443954]

約数ペア:

[(1, 19443954), (2, 9721977), (3, 6481318), (6, 3240659), (17, 1143762), (19, 1023366), (34, 571881), (38, 511683), (51, 381254), (57, 341122), (79, 246126), (102, 190627), (114, 170561), (127, 153102), (158, 123063), (237, 82042), (254, 76551), (323, 60198), (381, 51034), (474, 41021), (646, 30099), (762, 25517), (969, 20066), (1343, 14478), (1501, 12954), (1938, 10033), (2159, 9006), (2413, 8058), (2686, 7239), (3002, 6477), (4029, 4826), (4318, 4503)]