18364268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{191}}^1$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 35618688

約数和(自身を除く): 17254420

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 191, 382, 559, 764, 1118, 1849, 2236, 2483, 3698, 4966, 7396, 8213, 9932, 16426, 24037, 32852, 48074, 96148, 106769, 213538, 353159, 427076, 706318, 1412636, 4591067, 9182134, 18364268]

約数ペア:

[(1, 18364268), (2, 9182134), (4, 4591067), (13, 1412636), (26, 706318), (43, 427076), (52, 353159), (86, 213538), (172, 106769), (191, 96148), (382, 48074), (559, 32852), (764, 24037), (1118, 16426), (1849, 9932), (2236, 8213), (2483, 7396), (3698, 4966)]