19678142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7043}}^1$

素因数の和:7183

約数の個数: 16

約数和(自身を含む): 32458752

約数和(自身を除く): 12780610

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7043, 14086, 77473, 154946, 894461, 1788922, 9839071, 19678142]

約数ペア:

[(1, 19678142), (2, 9839071), (11, 1788922), (22, 894461), (127, 154946), (254, 77473), (1397, 14086), (2794, 7043)]