19204605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 19792899

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 205, 287, 315, 369, 615, 861, 1435, 1487, 1845, 2583, 4305, 4461, 7435, 10409, 12915, 13383, 22305, 31227, 52045, 60967, 66915, 93681, 156135, 182901, 304835, 426769, 468405, 548703, 914505, 1280307, 2133845, 2743515, 3840921, 6401535, 19204605]

約数ペア:

[(1, 19204605), (3, 6401535), (5, 3840921), (7, 2743515), (9, 2133845), (15, 1280307), (21, 914505), (35, 548703), (41, 468405), (45, 426769), (63, 304835), (105, 182901), (123, 156135), (205, 93681), (287, 66915), (315, 60967), (369, 52045), (615, 31227), (861, 22305), (1435, 13383), (1487, 12915), (1845, 10409), (2583, 7435), (4305, 4461)]