19418607

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:800

約数の個数: 36

約数和(自身を含む): 32202144

約数和(自身を除く): 12783537

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 507, 663, 751, 1521, 1989, 2253, 2873, 6759, 8619, 9763, 12767, 25857, 29289, 38301, 87867, 114903, 126919, 165971, 380757, 497913, 1142271, 1493739, 2157623, 6472869, 19418607]

約数ペア:

[(1, 19418607), (3, 6472869), (9, 2157623), (13, 1493739), (17, 1142271), (39, 497913), (51, 380757), (117, 165971), (153, 126919), (169, 114903), (221, 87867), (507, 38301), (663, 29289), (751, 25857), (1521, 12767), (1989, 9763), (2253, 8619), (2873, 6759)]