19782419998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10103381}}^1$

素因数の和:10103483

約数の個数: 16

約数和(自身を含む): 32734957680

約数和(自身を除く): 12952537682

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10103381, 20206762, 111137191, 222274382, 899200909, 1798401818, 9891209999, 19782419998]

約数ペア:

[(1, 19782419998), (2, 9891209999), (11, 1798401818), (22, 899200909), (89, 222274382), (178, 111137191), (979, 20206762), (1958, 10103381)]