18963406

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6481}}^1$

素因数の和:6520

約数の個数: 32

約数和(自身を含む): 37336320

約数和(自身を除く): 18372914

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 6481, 12962, 45367, 71291, 90734, 123139, 142582, 246278, 499037, 861973, 998074, 1354529, 1723946, 2709058, 9481703, 18963406]

約数ペア:

[(1, 18963406), (2, 9481703), (7, 2709058), (11, 1723946), (14, 1354529), (19, 998074), (22, 861973), (38, 499037), (77, 246278), (133, 142582), (154, 123139), (209, 90734), (266, 71291), (418, 45367), (1463, 12962), (2926, 6481)]