19191045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 34482240

約数和(自身を除く): 15291195

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 233, 255, 285, 289, 323, 699, 867, 969, 1165, 1445, 1615, 3495, 3961, 4335, 4427, 4845, 5491, 11883, 13281, 16473, 19805, 22135, 27455, 59415, 66405, 67337, 75259, 82365, 202011, 225777, 336685, 376295, 1010055, 1128885, 1279403, 3838209, 6397015, 19191045]

約数ペア:

[(1, 19191045), (3, 6397015), (5, 3838209), (15, 1279403), (17, 1128885), (19, 1010055), (51, 376295), (57, 336685), (85, 225777), (95, 202011), (233, 82365), (255, 75259), (285, 67337), (289, 66405), (323, 59415), (699, 27455), (867, 22135), (969, 19805), (1165, 16473), (1445, 13281), (1615, 11883), (3495, 5491), (3961, 4845), (4335, 4427)]