18458930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7127}}^1$

素因数の和:7178

約数の個数: 32

約数和(自身を含む): 39004416

約数和(自身を除く): 20545486

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 7127, 14254, 35635, 49889, 71270, 99778, 249445, 263699, 498890, 527398, 1318495, 1845893, 2636990, 3691786, 9229465, 18458930]

約数ペア:

[(1, 18458930), (2, 9229465), (5, 3691786), (7, 2636990), (10, 1845893), (14, 1318495), (35, 527398), (37, 498890), (70, 263699), (74, 249445), (185, 99778), (259, 71270), (370, 49889), (518, 35635), (1295, 14254), (2590, 7127)]