18996969584

素因数分解:

$2^4\times {\mathrm{21011}}^1\times {\mathrm{56509}}^1$

素因数の和:77528

約数の個数: 20

約数和(自身を含む): 36809031720

約数和(自身を除く): 17812062136

約数列:

[1, 2, 4, 8, 16, 21011, 42022, 56509, 84044, 113018, 168088, 226036, 336176, 452072, 904144, 1187310599, 2374621198, 4749242396, 9498484792, 18996969584]

約数ペア:

[(1, 18996969584), (2, 9498484792), (4, 4749242396), (8, 2374621198), (16, 1187310599), (21011, 904144), (42022, 452072), (56509, 336176), (84044, 226036), (113018, 168088)]