17687890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1423}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 35064576

約数和(自身を除く): 17376686

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 1423, 2486, 2846, 6215, 7115, 12430, 14230, 15653, 31306, 78265, 156530, 160799, 321598, 803995, 1607990, 1768789, 3537578, 8843945, 17687890]

約数ペア:

[(1, 17687890), (2, 8843945), (5, 3537578), (10, 1768789), (11, 1607990), (22, 803995), (55, 321598), (110, 160799), (113, 156530), (226, 78265), (565, 31306), (1130, 15653), (1243, 14230), (1423, 12430), (2486, 7115), (2846, 6215)]