17783990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1063}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 18987850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1063, 1195, 1673, 2126, 2390, 3346, 5315, 7441, 8365, 10630, 14882, 16730, 37205, 74410, 254057, 508114, 1270285, 1778399, 2540570, 3556798, 8891995, 17783990]

約数ペア:

[(1, 17783990), (2, 8891995), (5, 3556798), (7, 2540570), (10, 1778399), (14, 1270285), (35, 508114), (70, 254057), (239, 74410), (478, 37205), (1063, 16730), (1195, 14882), (1673, 10630), (2126, 8365), (2390, 7441), (3346, 5315)]