18137548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 38342304

約数和(自身を除く): 20204756

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 572, 814, 857, 962, 1628, 1714, 1924, 3428, 5291, 9427, 10582, 11141, 18854, 21164, 22282, 31709, 37708, 44564, 63418, 122551, 126836, 245102, 348799, 412217, 490204, 697598, 824434, 1395196, 1648868, 4534387, 9068774, 18137548]

約数ペア:

[(1, 18137548), (2, 9068774), (4, 4534387), (11, 1648868), (13, 1395196), (22, 824434), (26, 697598), (37, 490204), (44, 412217), (52, 348799), (74, 245102), (143, 126836), (148, 122551), (286, 63418), (407, 44564), (481, 37708), (572, 31709), (814, 22282), (857, 21164), (962, 18854), (1628, 11141), (1714, 10582), (1924, 9427), (3428, 5291)]