18931838

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5351}}^1$

素因数の和:5443

約数の個数: 16

約数和(自身を含む): 29864160

約数和(自身を除く): 10932322

約数列:

[1, 2, 29, 58, 61, 122, 1769, 3538, 5351, 10702, 155179, 310358, 326411, 652822, 9465919, 18931838]

約数ペア:

[(1, 18931838), (2, 9465919), (29, 652822), (58, 326411), (61, 310358), (122, 155179), (1769, 10702), (3538, 5351)]