18943916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4567}}^1$

素因数の和:4649

約数の個数: 24

約数和(自身を含む): 35685216

約数和(自身を除く): 16741300

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 4567, 9134, 18268, 77639, 155278, 278587, 310556, 557174, 1114348, 4735979, 9471958, 18943916]

約数ペア:

[(1, 18943916), (2, 9471958), (4, 4735979), (17, 1114348), (34, 557174), (61, 310556), (68, 278587), (122, 155278), (244, 77639), (1037, 18268), (2074, 9134), (4148, 4567)]