18639678

素因数分解:

$2^1\times 3^1\times {\mathrm{223}}^1\times {\mathrm{13931}}^1$

素因数の和:14159

約数の個数: 16

約数和(自身を含む): 37449216

約数和(自身を除く): 18809538

約数列:

[1, 2, 3, 6, 223, 446, 669, 1338, 13931, 27862, 41793, 83586, 3106613, 6213226, 9319839, 18639678]

約数ペア:

[(1, 18639678), (2, 9319839), (3, 6213226), (6, 3106613), (223, 83586), (446, 41793), (669, 27862), (1338, 13931)]