18765626

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3319}}^1$

素因数の和:3589

約数の個数: 16

約数和(自身を含む): 30836160

約数和(自身を除く): 12070534

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3319, 5654, 6638, 36509, 73018, 852983, 1705966, 9382813, 18765626]

約数ペア:

[(1, 18765626), (2, 9382813), (11, 1705966), (22, 852983), (257, 73018), (514, 36509), (2827, 6638), (3319, 5654)]