18943672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3529}}^1$

素因数の和:3607

約数の個数: 32

約数和(自身を含む): 39394800

約数和(自身を除く): 20451128

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3529, 5368, 7058, 14116, 28232, 38819, 77638, 155276, 215269, 310552, 430538, 861076, 1722152, 2367959, 4735918, 9471836, 18943672]

約数ペア:

[(1, 18943672), (2, 9471836), (4, 4735918), (8, 2367959), (11, 1722152), (22, 861076), (44, 430538), (61, 310552), (88, 215269), (122, 155276), (244, 77638), (488, 38819), (671, 28232), (1342, 14116), (2684, 7058), (3529, 5368)]