19238868

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2597

約数の個数: 72

約数和(自身を含む): 55866720

約数和(自身を除く): 36627852

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 2557, 3762, 5114, 7524, 7671, 10228, 15342, 23013, 28127, 30684, 46026, 48583, 56254, 84381, 92052, 97166, 112508, 145749, 168762, 194332, 253143, 291498, 337524, 437247, 506286, 534413, 582996, 874494, 1012572, 1068826, 1603239, 1748988, 2137652, 3206478, 4809717, 6412956, 9619434, 19238868]

約数ペア:

[(1, 19238868), (2, 9619434), (3, 6412956), (4, 4809717), (6, 3206478), (9, 2137652), (11, 1748988), (12, 1603239), (18, 1068826), (19, 1012572), (22, 874494), (33, 582996), (36, 534413), (38, 506286), (44, 437247), (57, 337524), (66, 291498), (76, 253143), (99, 194332), (114, 168762), (132, 145749), (171, 112508), (198, 97166), (209, 92052), (228, 84381), (342, 56254), (396, 48583), (418, 46026), (627, 30684), (684, 28127), (836, 23013), (1254, 15342), (1881, 10228), (2508, 7671), (2557, 7524), (3762, 5114)]