19381785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{263}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 13692135

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 263, 289, 789, 867, 1315, 1445, 3945, 4335, 4471, 4913, 13413, 14739, 22355, 24565, 67065, 73695, 76007, 228021, 380035, 1140105, 1292119, 3876357, 6460595, 19381785]

約数ペア:

[(1, 19381785), (3, 6460595), (5, 3876357), (15, 1292119), (17, 1140105), (51, 380035), (85, 228021), (255, 76007), (263, 73695), (289, 67065), (789, 24565), (867, 22355), (1315, 14739), (1445, 13413), (3945, 4913), (4335, 4471)]