19399310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{643}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 40061952

約数和(自身を除く): 20662642

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 431, 643, 862, 1286, 2155, 3017, 3215, 4310, 4501, 6034, 6430, 9002, 15085, 22505, 30170, 45010, 277133, 554266, 1385665, 1939931, 2771330, 3879862, 9699655, 19399310]

約数ペア:

[(1, 19399310), (2, 9699655), (5, 3879862), (7, 2771330), (10, 1939931), (14, 1385665), (35, 554266), (70, 277133), (431, 45010), (643, 30170), (862, 22505), (1286, 15085), (2155, 9002), (3017, 6430), (3215, 6034), (4310, 4501)]