19677399

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 31488000

約数和(自身を除く): 11810601

約数列:

[1, 3, 7, 21, 29, 79, 87, 203, 237, 409, 553, 609, 1227, 1659, 2291, 2863, 6873, 8589, 11861, 16037, 32311, 35583, 48111, 83027, 96933, 226177, 249081, 678531, 937019, 2811057, 6559133, 19677399]

約数ペア:

[(1, 19677399), (3, 6559133), (7, 2811057), (21, 937019), (29, 678531), (79, 249081), (87, 226177), (203, 96933), (237, 83027), (409, 48111), (553, 35583), (609, 32311), (1227, 16037), (1659, 11861), (2291, 8589), (2863, 6873)]