18721845

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{24473}}^1$

素因数の和:24501

約数の個数: 24

約数和(自身を含む): 34361496

約数和(自身を除く): 15639651

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 24473, 73419, 122365, 220257, 367095, 416041, 1101285, 1248123, 2080205, 3744369, 6240615, 18721845]

約数ペア:

[(1, 18721845), (3, 6240615), (5, 3744369), (9, 2080205), (15, 1248123), (17, 1101285), (45, 416041), (51, 367095), (85, 220257), (153, 122365), (255, 73419), (765, 24473)]