19216579

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 21143808

約数和(自身を除く): 1927229

約数列:

[1, 17, 37, 137, 223, 629, 2329, 3791, 5069, 8251, 30551, 86173, 140267, 519367, 1130387, 19216579]

約数ペア:

[(1, 19216579), (17, 1130387), (37, 519367), (137, 140267), (223, 86173), (629, 30551), (2329, 8251), (3791, 5069)]