19311705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 38697984

約数和(自身を除く): 19386279

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 101, 105, 303, 315, 505, 607, 707, 909, 1515, 1821, 2121, 3035, 3535, 4249, 4545, 5463, 6363, 9105, 10605, 12747, 21245, 27315, 31815, 38241, 61307, 63735, 183921, 191205, 306535, 429149, 551763, 919605, 1287447, 2145745, 2758815, 3862341, 6437235, 19311705]

約数ペア:

[(1, 19311705), (3, 6437235), (5, 3862341), (7, 2758815), (9, 2145745), (15, 1287447), (21, 919605), (35, 551763), (45, 429149), (63, 306535), (101, 191205), (105, 183921), (303, 63735), (315, 61307), (505, 38241), (607, 31815), (707, 27315), (909, 21245), (1515, 12747), (1821, 10605), (2121, 9105), (3035, 6363), (3535, 5463), (4249, 4545)]