18369858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5477}}^1$

素因数の和:5538

約数の個数: 32

約数和(自身を含む): 40493376

約数和(自身を除く): 22123518

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 5477, 10954, 16431, 32862, 71201, 142402, 213603, 235511, 427206, 471022, 706533, 1413066, 3061643, 6123286, 9184929, 18369858]

約数ペア:

[(1, 18369858), (2, 9184929), (3, 6123286), (6, 3061643), (13, 1413066), (26, 706533), (39, 471022), (43, 427206), (78, 235511), (86, 213603), (129, 142402), (258, 71201), (559, 32862), (1118, 16431), (1677, 10954), (3354, 5477)]