18943908

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{36713}}^1$

素因数の和:36763

約数の個数: 24

約数和(自身を含む): 45231648

約数和(自身を除く): 26287740

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 36713, 73426, 110139, 146852, 220278, 440556, 1578659, 3157318, 4735977, 6314636, 9471954, 18943908]

約数ペア:

[(1, 18943908), (2, 9471954), (3, 6314636), (4, 4735977), (6, 3157318), (12, 1578659), (43, 440556), (86, 220278), (129, 146852), (172, 110139), (258, 73426), (516, 36713)]