1978394038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{2423}}^1\times {\mathrm{21487}}^1$

素因数の和:23931

約数の個数: 16

約数和(自身を含む): 3125214720

約数和(自身を除く): 1146820682

約数列:

[1, 2, 19, 38, 2423, 4846, 21487, 42974, 46037, 92074, 408253, 816506, 52063001, 104126002, 989197019, 1978394038]

約数ペア:

[(1, 1978394038), (2, 989197019), (19, 104126002), (38, 52063001), (2423, 816506), (4846, 408253), (21487, 92074), (42974, 46037)]