2019908890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1\times {\mathrm{9161}}^1$

素因数の和:10482

約数の個数: 32

約数和(自身を含む): 3853097424

約数和(自身を除く): 1833188534

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1297, 2594, 6485, 9161, 12970, 18322, 22049, 44098, 45805, 91610, 110245, 155737, 220490, 311474, 778685, 1557370, 11881817, 23763634, 59409085, 118818170, 201990889, 403981778, 1009954445, 2019908890]

約数ペア:

[(1, 2019908890), (2, 1009954445), (5, 403981778), (10, 201990889), (17, 118818170), (34, 59409085), (85, 23763634), (170, 11881817), (1297, 1557370), (2594, 778685), (6485, 311474), (9161, 220490), (12970, 155737), (18322, 110245), (22049, 91610), (44098, 45805)]