218971278

素因数分解:

$2^1\times 3^2\times {\mathrm{937}}^1\times {\mathrm{12983}}^1$

素因数の和:13928

約数の個数: 24

約数和(自身を含む): 474980688

約数和(自身を除く): 256009410

約数列:

[1, 2, 3, 6, 9, 18, 937, 1874, 2811, 5622, 8433, 12983, 16866, 25966, 38949, 77898, 116847, 233694, 12165071, 24330142, 36495213, 72990426, 109485639, 218971278]

約数ペア:

[(1, 218971278), (2, 109485639), (3, 72990426), (6, 36495213), (9, 24330142), (18, 12165071), (937, 233694), (1874, 116847), (2811, 77898), (5622, 38949), (8433, 25966), (12983, 16866)]