19188756

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 50417640

約数和(自身を除く): 31228884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 89, 106, 113, 159, 178, 212, 226, 267, 318, 339, 356, 452, 477, 534, 636, 678, 801, 954, 1017, 1068, 1356, 1602, 1908, 2034, 3204, 4068, 4717, 5989, 9434, 10057, 11978, 14151, 17967, 18868, 20114, 23956, 28302, 30171, 35934, 40228, 42453, 53901, 56604, 60342, 71868, 84906, 90513, 107802, 120684, 169812, 181026, 215604, 362052, 533021, 1066042, 1599063, 2132084, 3198126, 4797189, 6396252, 9594378, 19188756]

約数ペア:

[(1, 19188756), (2, 9594378), (3, 6396252), (4, 4797189), (6, 3198126), (9, 2132084), (12, 1599063), (18, 1066042), (36, 533021), (53, 362052), (89, 215604), (106, 181026), (113, 169812), (159, 120684), (178, 107802), (212, 90513), (226, 84906), (267, 71868), (318, 60342), (339, 56604), (356, 53901), (452, 42453), (477, 40228), (534, 35934), (636, 30171), (678, 28302), (801, 23956), (954, 20114), (1017, 18868), (1068, 17967), (1356, 14151), (1602, 11978), (1908, 10057), (2034, 9434), (3204, 5989), (4068, 4717)]