19005754635

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{11969}}^1$

素因数の和:12129

約数の個数: 72

約数和(自身を含む): 38190428640

約数和(自身を除く): 19184674005

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 497, 639, 1065, 1491, 2485, 3195, 4473, 5041, 7455, 11969, 15123, 22365, 25205, 35287, 35907, 45369, 59845, 75615, 83783, 105861, 107721, 176435, 179535, 226845, 251349, 317583, 418915, 529305, 538605, 754047, 849799, 1256745, 1587915, 2549397, 3770235, 4248995, 5948593, 7648191, 12746985, 17845779, 29742965, 38240955, 53537337, 60335729, 89228895, 181007187, 267686685, 301678645, 422350103, 543021561, 905035935, 1267050309, 2111750515, 2715107805, 3801150927, 6335251545, 19005754635]

約数ペア:

[(1, 19005754635), (3, 6335251545), (5, 3801150927), (7, 2715107805), (9, 2111750515), (15, 1267050309), (21, 905035935), (35, 543021561), (45, 422350103), (63, 301678645), (71, 267686685), (105, 181007187), (213, 89228895), (315, 60335729), (355, 53537337), (497, 38240955), (639, 29742965), (1065, 17845779), (1491, 12746985), (2485, 7648191), (3195, 5948593), (4473, 4248995), (5041, 3770235), (7455, 2549397), (11969, 1587915), (15123, 1256745), (22365, 849799), (25205, 754047), (35287, 538605), (35907, 529305), (45369, 418915), (59845, 317583), (75615, 251349), (83783, 226845), (105861, 179535), (107721, 176435)]