19799528

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 44046180

約数和(自身を除く): 24246652

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 212, 371, 392, 424, 742, 953, 1484, 1906, 2597, 2968, 3812, 5194, 6671, 7624, 10388, 13342, 20776, 26684, 46697, 50509, 53368, 93394, 101018, 186788, 202036, 353563, 373576, 404072, 707126, 1414252, 2474941, 2828504, 4949882, 9899764, 19799528]

約数ペア:

[(1, 19799528), (2, 9899764), (4, 4949882), (7, 2828504), (8, 2474941), (14, 1414252), (28, 707126), (49, 404072), (53, 373576), (56, 353563), (98, 202036), (106, 186788), (196, 101018), (212, 93394), (371, 53368), (392, 50509), (424, 46697), (742, 26684), (953, 20776), (1484, 13342), (1906, 10388), (2597, 7624), (2968, 6671), (3812, 5194)]