18920024

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 37346400

約数和(自身を除く): 18426376

約数列:

[1, 2, 4, 8, 37, 41, 74, 82, 148, 164, 296, 328, 1517, 1559, 3034, 3118, 6068, 6236, 12136, 12472, 57683, 63919, 115366, 127838, 230732, 255676, 461464, 511352, 2365003, 4730006, 9460012, 18920024]

約数ペア:

[(1, 18920024), (2, 9460012), (4, 4730006), (8, 2365003), (37, 511352), (41, 461464), (74, 255676), (82, 230732), (148, 127838), (164, 115366), (296, 63919), (328, 57683), (1517, 12472), (1559, 12136), (3034, 6236), (3118, 6068)]