19818252

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 53202240

約数和(自身を除く): 33383988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 41, 58, 82, 87, 116, 123, 164, 174, 246, 261, 348, 369, 463, 492, 522, 738, 926, 1044, 1189, 1389, 1476, 1852, 2378, 2778, 3567, 4167, 4756, 5556, 7134, 8334, 10701, 13427, 14268, 16668, 18983, 21402, 26854, 37966, 40281, 42804, 53708, 56949, 75932, 80562, 113898, 120843, 161124, 170847, 227796, 241686, 341694, 483372, 550507, 683388, 1101014, 1651521, 2202028, 3303042, 4954563, 6606084, 9909126, 19818252]

約数ペア:

[(1, 19818252), (2, 9909126), (3, 6606084), (4, 4954563), (6, 3303042), (9, 2202028), (12, 1651521), (18, 1101014), (29, 683388), (36, 550507), (41, 483372), (58, 341694), (82, 241686), (87, 227796), (116, 170847), (123, 161124), (164, 120843), (174, 113898), (246, 80562), (261, 75932), (348, 56949), (369, 53708), (463, 42804), (492, 40281), (522, 37966), (738, 26854), (926, 21402), (1044, 18983), (1189, 16668), (1389, 14268), (1476, 13427), (1852, 10701), (2378, 8334), (2778, 7134), (3567, 5556), (4167, 4756)]