18427773

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9643}}^1$

素因数の和:9673

約数の個数: 24

約数和(自身を含む): 30783648

約数和(自身を除く): 12355875

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9643, 28929, 67501, 125359, 202503, 376077, 472507, 877513, 1417521, 2632539, 6142591, 18427773]

約数ペア:

[(1, 18427773), (3, 6142591), (7, 2632539), (13, 1417521), (21, 877513), (39, 472507), (49, 376077), (91, 202503), (147, 125359), (273, 67501), (637, 28929), (1911, 9643)]