19491615

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{233}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 40081392

約数和(自身を除く): 20589777

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 169, 195, 233, 429, 495, 507, 585, 699, 715, 845, 1165, 1287, 1521, 1859, 2097, 2145, 2535, 2563, 3029, 3495, 5577, 6435, 7605, 7689, 9087, 9295, 10485, 12815, 15145, 16731, 23067, 27261, 27885, 33319, 38445, 39377, 45435, 83655, 99957, 115335, 118131, 136305, 166595, 196885, 299871, 354393, 433147, 499785, 590655, 1299441, 1499355, 1771965, 2165735, 3898323, 6497205, 19491615]

約数ペア:

[(1, 19491615), (3, 6497205), (5, 3898323), (9, 2165735), (11, 1771965), (13, 1499355), (15, 1299441), (33, 590655), (39, 499785), (45, 433147), (55, 354393), (65, 299871), (99, 196885), (117, 166595), (143, 136305), (165, 118131), (169, 115335), (195, 99957), (233, 83655), (429, 45435), (495, 39377), (507, 38445), (585, 33319), (699, 27885), (715, 27261), (845, 23067), (1165, 16731), (1287, 15145), (1521, 12815), (1859, 10485), (2097, 9295), (2145, 9087), (2535, 7689), (2563, 7605), (3029, 6435), (3495, 5577)]