18974554

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1553}}^1$

素因数の和:1745

約数の個数: 16

約数和(自身を含む): 29370600

約数和(自身を除く): 10396046

約数列:

[1, 2, 41, 82, 149, 298, 1553, 3106, 6109, 12218, 63673, 127346, 231397, 462794, 9487277, 18974554]

約数ペア:

[(1, 18974554), (2, 9487277), (41, 462794), (82, 231397), (149, 127346), (298, 63673), (1553, 12218), (3106, 6109)]