19886804

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1019}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 23295916

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 68, 82, 119, 164, 238, 287, 476, 574, 697, 1019, 1148, 1394, 2038, 2788, 4076, 4879, 7133, 9758, 14266, 17323, 19516, 28532, 34646, 41779, 69292, 83558, 121261, 167116, 242522, 292453, 485044, 584906, 710243, 1169812, 1420486, 2840972, 4971701, 9943402, 19886804]

約数ペア:

[(1, 19886804), (2, 9943402), (4, 4971701), (7, 2840972), (14, 1420486), (17, 1169812), (28, 710243), (34, 584906), (41, 485044), (68, 292453), (82, 242522), (119, 167116), (164, 121261), (238, 83558), (287, 69292), (476, 41779), (574, 34646), (697, 28532), (1019, 19516), (1148, 17323), (1394, 14266), (2038, 9758), (2788, 7133), (4076, 4879)]