18739868

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3739}}^1$

素因数の和:3929

約数の個数: 24

約数和(自身を含む): 37699200

約数和(自身を除く): 18959332

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 3739, 5012, 7478, 14956, 26173, 52346, 104692, 669281, 1338562, 2677124, 4684967, 9369934, 18739868]

約数ペア:

[(1, 18739868), (2, 9369934), (4, 4684967), (7, 2677124), (14, 1338562), (28, 669281), (179, 104692), (358, 52346), (716, 26173), (1253, 14956), (2506, 7478), (3739, 5012)]