18983930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2633}}^1$

素因数の和:2750

約数の個数: 32

約数和(自身を含む): 39446784

約数和(自身を除く): 20462854

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2633, 3605, 5266, 7210, 13165, 18431, 26330, 36862, 92155, 184310, 271199, 542398, 1355995, 1898393, 2711990, 3796786, 9491965, 18983930]

約数ペア:

[(1, 18983930), (2, 9491965), (5, 3796786), (7, 2711990), (10, 1898393), (14, 1355995), (35, 542398), (70, 271199), (103, 184310), (206, 92155), (515, 36862), (721, 26330), (1030, 18431), (1442, 13165), (2633, 7210), (3605, 5266)]