18630129

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{23977}}^1$

素因数の和:24024

約数の個数: 16

約数和(自身を含む): 29157248

約数和(自身を除く): 10527119

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 23977, 71931, 167839, 503517, 887149, 2661447, 6210043, 18630129]

約数ペア:

[(1, 18630129), (3, 6210043), (7, 2661447), (21, 887149), (37, 503517), (111, 167839), (259, 71931), (777, 23977)]