19993372

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1229}}^1$

素因数の和:1330

約数の個数: 36

約数和(自身を含む): 41224680

約数和(自身を除く): 21231308

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 581, 1162, 1229, 2324, 2458, 4067, 4916, 8134, 8603, 16268, 17206, 34412, 60221, 102007, 120442, 204014, 240884, 408028, 714049, 1428098, 2856196, 4998343, 9996686, 19993372]

約数ペア:

[(1, 19993372), (2, 9996686), (4, 4998343), (7, 2856196), (14, 1428098), (28, 714049), (49, 408028), (83, 240884), (98, 204014), (166, 120442), (196, 102007), (332, 60221), (581, 34412), (1162, 17206), (1229, 16268), (2324, 8603), (2458, 8134), (4067, 4916)]