18129678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{431659}}^1$

素因数の和:431671

約数の個数: 16

約数和(自身を含む): 41439360

約数和(自身を除く): 23309682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 431659, 863318, 1294977, 2589954, 3021613, 6043226, 9064839, 18129678]

約数ペア:

[(1, 18129678), (2, 9064839), (3, 6043226), (6, 3021613), (7, 2589954), (14, 1294977), (21, 863318), (42, 431659)]