18464474

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 34165800

約数和(自身を除く): 15701326

約数列:

[1, 2, 7, 14, 29, 49, 58, 73, 89, 98, 146, 178, 203, 406, 511, 623, 1022, 1246, 1421, 2117, 2581, 2842, 3577, 4234, 4361, 5162, 6497, 7154, 8722, 12994, 14819, 18067, 29638, 36134, 45479, 90958, 103733, 126469, 188413, 207466, 252938, 318353, 376826, 636706, 1318891, 2637782, 9232237, 18464474]

約数ペア:

[(1, 18464474), (2, 9232237), (7, 2637782), (14, 1318891), (29, 636706), (49, 376826), (58, 318353), (73, 252938), (89, 207466), (98, 188413), (146, 126469), (178, 103733), (203, 90958), (406, 45479), (511, 36134), (623, 29638), (1022, 18067), (1246, 14819), (1421, 12994), (2117, 8722), (2581, 7154), (2842, 6497), (3577, 5162), (4234, 4361)]