15500988

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 41522208

約数和(自身を除く): 26021220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 97, 138, 193, 194, 207, 276, 291, 386, 388, 414, 579, 582, 772, 828, 873, 1158, 1164, 1737, 1746, 2231, 2316, 3474, 3492, 4439, 4462, 6693, 6948, 8878, 8924, 13317, 13386, 17756, 18721, 20079, 26634, 26772, 37442, 39951, 40158, 53268, 56163, 74884, 79902, 80316, 112326, 159804, 168489, 224652, 336978, 430583, 673956, 861166, 1291749, 1722332, 2583498, 3875247, 5166996, 7750494, 15500988]

約数ペア:

[(1, 15500988), (2, 7750494), (3, 5166996), (4, 3875247), (6, 2583498), (9, 1722332), (12, 1291749), (18, 861166), (23, 673956), (36, 430583), (46, 336978), (69, 224652), (92, 168489), (97, 159804), (138, 112326), (193, 80316), (194, 79902), (207, 74884), (276, 56163), (291, 53268), (386, 40158), (388, 39951), (414, 37442), (579, 26772), (582, 26634), (772, 20079), (828, 18721), (873, 17756), (1158, 13386), (1164, 13317), (1737, 8924), (1746, 8878), (2231, 6948), (2316, 6693), (3474, 4462), (3492, 4439)]