17957641

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 22176000

約数和(自身を除く): 4218359

約数列:

[1, 13, 19, 23, 29, 109, 247, 299, 377, 437, 551, 667, 1417, 2071, 2507, 3161, 5681, 7163, 8671, 12673, 26923, 32591, 41093, 47633, 60059, 72703, 164749, 619229, 780767, 945139, 1381357, 17957641]

約数ペア:

[(1, 17957641), (13, 1381357), (19, 945139), (23, 780767), (29, 619229), (109, 164749), (247, 72703), (299, 60059), (377, 47633), (437, 41093), (551, 32591), (667, 26923), (1417, 12673), (2071, 8671), (2507, 7163), (3161, 5681)]