19872328

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{983}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 44988480

約数和(自身を除く): 25116152

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 722, 983, 1064, 1444, 1966, 2527, 2888, 3932, 5054, 6881, 7864, 10108, 13762, 18677, 20216, 27524, 37354, 55048, 74708, 130739, 149416, 261478, 354863, 522956, 709726, 1045912, 1419452, 2484041, 2838904, 4968082, 9936164, 19872328]

約数ペア:

[(1, 19872328), (2, 9936164), (4, 4968082), (7, 2838904), (8, 2484041), (14, 1419452), (19, 1045912), (28, 709726), (38, 522956), (56, 354863), (76, 261478), (133, 149416), (152, 130739), (266, 74708), (361, 55048), (532, 37354), (722, 27524), (983, 20216), (1064, 18677), (1444, 13762), (1966, 10108), (2527, 7864), (2888, 6881), (3932, 5054)]