18972546

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 39164928

約数和(自身を除く): 20192382

約数列:

[1, 2, 3, 6, 43, 86, 129, 151, 258, 302, 453, 487, 906, 974, 1461, 2922, 6493, 12986, 19479, 20941, 38958, 41882, 62823, 73537, 125646, 147074, 220611, 441222, 3162091, 6324182, 9486273, 18972546]

約数ペア:

[(1, 18972546), (2, 9486273), (3, 6324182), (6, 3162091), (43, 441222), (86, 220611), (129, 147074), (151, 125646), (258, 73537), (302, 62823), (453, 41882), (487, 38958), (906, 20941), (974, 19479), (1461, 12986), (2922, 6493)]