18726818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 14036062

約数列:

[1, 2, 11, 19, 22, 38, 71, 142, 209, 418, 631, 781, 1262, 1349, 1562, 2698, 6941, 11989, 13882, 14839, 23978, 29678, 44801, 89602, 131879, 263758, 492811, 851219, 985622, 1702438, 9363409, 18726818]

約数ペア:

[(1, 18726818), (2, 9363409), (11, 1702438), (19, 985622), (22, 851219), (38, 492811), (71, 263758), (142, 131879), (209, 89602), (418, 44801), (631, 29678), (781, 23978), (1262, 14839), (1349, 13882), (1562, 11989), (2698, 6941)]