18970666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{587}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 33784128

約数和(自身を除く): 14813462

約数列:

[1, 2, 11, 13, 22, 26, 113, 143, 226, 286, 587, 1174, 1243, 1469, 2486, 2938, 6457, 7631, 12914, 15262, 16159, 32318, 66331, 83941, 132662, 167882, 729641, 862303, 1459282, 1724606, 9485333, 18970666]

約数ペア:

[(1, 18970666), (2, 9485333), (11, 1724606), (13, 1459282), (22, 862303), (26, 729641), (113, 167882), (143, 132662), (226, 83941), (286, 66331), (587, 32318), (1174, 16159), (1243, 15262), (1469, 12914), (2486, 7631), (2938, 6457)]