19415772

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 51891840

約数和(自身を除く): 32476068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 131, 138, 179, 207, 262, 276, 358, 393, 414, 524, 537, 716, 786, 828, 1074, 1179, 1572, 1611, 2148, 2358, 3013, 3222, 4117, 4716, 6026, 6444, 8234, 9039, 12052, 12351, 16468, 18078, 23449, 24702, 27117, 36156, 37053, 46898, 49404, 54234, 70347, 74106, 93796, 108468, 140694, 148212, 211041, 281388, 422082, 539327, 844164, 1078654, 1617981, 2157308, 3235962, 4853943, 6471924, 9707886, 19415772]

約数ペア:

[(1, 19415772), (2, 9707886), (3, 6471924), (4, 4853943), (6, 3235962), (9, 2157308), (12, 1617981), (18, 1078654), (23, 844164), (36, 539327), (46, 422082), (69, 281388), (92, 211041), (131, 148212), (138, 140694), (179, 108468), (207, 93796), (262, 74106), (276, 70347), (358, 54234), (393, 49404), (414, 46898), (524, 37053), (537, 36156), (716, 27117), (786, 24702), (828, 23449), (1074, 18078), (1179, 16468), (1572, 12351), (1611, 12052), (2148, 9039), (2358, 8234), (3013, 6444), (3222, 6026), (4117, 4716)]