1991231490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{3491}}^1\times {\mathrm{19013}}^1$

素因数の和:22514

約数の個数: 32

約数和(自身を含む): 4780575936

約数和(自身を除く): 2789344446

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 3491, 6982, 10473, 17455, 19013, 20946, 34910, 38026, 52365, 57039, 95065, 104730, 114078, 190130, 285195, 570390, 66374383, 132748766, 199123149, 331871915, 398246298, 663743830, 995615745, 1991231490]

約数ペア:

[(1, 1991231490), (2, 995615745), (3, 663743830), (5, 398246298), (6, 331871915), (10, 199123149), (15, 132748766), (30, 66374383), (3491, 570390), (6982, 285195), (10473, 190130), (17455, 114078), (19013, 104730), (20946, 95065), (34910, 57039), (38026, 52365)]