19569872

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 46282752

約数和(自身を除く): 26712880

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 71, 92, 107, 112, 142, 161, 184, 214, 284, 322, 368, 428, 497, 568, 644, 749, 856, 994, 1136, 1288, 1498, 1633, 1712, 1988, 2461, 2576, 2996, 3266, 3976, 4922, 5992, 6532, 7597, 7952, 9844, 11431, 11984, 13064, 15194, 17227, 19688, 22862, 26128, 30388, 34454, 39376, 45724, 53179, 60776, 68908, 91448, 106358, 121552, 137816, 174731, 182896, 212716, 275632, 349462, 425432, 698924, 850864, 1223117, 1397848, 2446234, 2795696, 4892468, 9784936, 19569872]

約数ペア:

[(1, 19569872), (2, 9784936), (4, 4892468), (7, 2795696), (8, 2446234), (14, 1397848), (16, 1223117), (23, 850864), (28, 698924), (46, 425432), (56, 349462), (71, 275632), (92, 212716), (107, 182896), (112, 174731), (142, 137816), (161, 121552), (184, 106358), (214, 91448), (284, 68908), (322, 60776), (368, 53179), (428, 45724), (497, 39376), (568, 34454), (644, 30388), (749, 26128), (856, 22862), (994, 19688), (1136, 17227), (1288, 15194), (1498, 13064), (1633, 11984), (1712, 11431), (1988, 9844), (2461, 7952), (2576, 7597), (2996, 6532), (3266, 5992), (3976, 4922)]