16881370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 34346592

約数和(自身を除く): 17465222

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 83, 86, 110, 166, 215, 415, 430, 473, 830, 913, 946, 1826, 1849, 2365, 3569, 3698, 4565, 4730, 7138, 9130, 9245, 17845, 18490, 20339, 35690, 39259, 40678, 78518, 101695, 153467, 196295, 203390, 306934, 392590, 767335, 1534670, 1688137, 3376274, 8440685, 16881370]

約数ペア:

[(1, 16881370), (2, 8440685), (5, 3376274), (10, 1688137), (11, 1534670), (22, 767335), (43, 392590), (55, 306934), (83, 203390), (86, 196295), (110, 153467), (166, 101695), (215, 78518), (415, 40678), (430, 39259), (473, 35690), (830, 20339), (913, 18490), (946, 17845), (1826, 9245), (1849, 9130), (2365, 7138), (3569, 4730), (3698, 4565)]