18983230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1951}}^1$

素因数の和:2104

約数の個数: 32

約数和(自身を含む): 39352320

約数和(自身を除く): 20369090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 1951, 3902, 4865, 9730, 9755, 13657, 19510, 27314, 68285, 136570, 271189, 542378, 1355945, 1898323, 2711890, 3796646, 9491615, 18983230]

約数ペア:

[(1, 18983230), (2, 9491615), (5, 3796646), (7, 2711890), (10, 1898323), (14, 1355945), (35, 542378), (70, 271189), (139, 136570), (278, 68285), (695, 27314), (973, 19510), (1390, 13657), (1946, 9755), (1951, 9730), (3902, 4865)]