12908942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5569}}^1$

素因数の和:5651

約数の個数: 16

約数和(自身を含む): 20720400

約数和(自身を除く): 7811458

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 5569, 11138, 105811, 211622, 339709, 679418, 6454471, 12908942]

約数ペア:

[(1, 12908942), (2, 6454471), (19, 679418), (38, 339709), (61, 211622), (122, 105811), (1159, 11138), (2318, 5569)]