19711966

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{2477}}^1$

素因数の和:2675

約数の個数: 16

約数和(自身を含む): 31044384

約数和(自身を除く): 11332418

約数列:

[1, 2, 23, 46, 173, 346, 2477, 3979, 4954, 7958, 56971, 113942, 428521, 857042, 9855983, 19711966]

約数ペア:

[(1, 19711966), (2, 9855983), (23, 857042), (46, 428521), (173, 113942), (346, 56971), (2477, 7958), (3979, 4954)]