19564792

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 41175000

約数和(自身を除く): 21610208

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 169, 232, 338, 377, 499, 676, 754, 998, 1352, 1508, 1996, 3016, 3992, 4901, 6487, 9802, 12974, 14471, 19604, 25948, 28942, 39208, 51896, 57884, 84331, 115768, 168662, 188123, 337324, 376246, 674648, 752492, 1504984, 2445599, 4891198, 9782396, 19564792]

約数ペア:

[(1, 19564792), (2, 9782396), (4, 4891198), (8, 2445599), (13, 1504984), (26, 752492), (29, 674648), (52, 376246), (58, 337324), (104, 188123), (116, 168662), (169, 115768), (232, 84331), (338, 57884), (377, 51896), (499, 39208), (676, 28942), (754, 25948), (998, 19604), (1352, 14471), (1508, 12974), (1996, 9802), (3016, 6487), (3992, 4901)]