18445340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54251}}^1$

素因数の和:54277

約数の個数: 24

約数和(自身を含む): 41014512

約数和(自身を除く): 22569172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54251, 108502, 217004, 271255, 542510, 922267, 1085020, 1844534, 3689068, 4611335, 9222670, 18445340]

約数ペア:

[(1, 18445340), (2, 9222670), (4, 4611335), (5, 3689068), (10, 1844534), (17, 1085020), (20, 922267), (34, 542510), (68, 271255), (85, 217004), (170, 108502), (340, 54251)]