18837778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 31026240

約数和(自身を除く): 12188462

約数列:

[1, 2, 19, 38, 41, 82, 107, 113, 214, 226, 779, 1558, 2033, 2147, 4066, 4294, 4387, 4633, 8774, 9266, 12091, 24182, 83353, 88027, 166706, 176054, 229729, 459458, 495731, 991462, 9418889, 18837778]

約数ペア:

[(1, 18837778), (2, 9418889), (19, 991462), (38, 495731), (41, 459458), (82, 229729), (107, 176054), (113, 166706), (214, 88027), (226, 83353), (779, 24182), (1558, 12091), (2033, 9266), (2147, 8774), (4066, 4633), (4294, 4387)]