19118790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2689}}^1$

素因数の和:2781

約数の個数: 48

約数和(自身を含む): 50356800

約数和(自身を除く): 31238010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 2689, 3555, 5378, 7110, 8067, 13445, 16134, 24201, 26890, 40335, 48402, 80670, 121005, 212431, 242010, 424862, 637293, 1062155, 1274586, 1911879, 2124310, 3186465, 3823758, 6372930, 9559395, 19118790]

約数ペア:

[(1, 19118790), (2, 9559395), (3, 6372930), (5, 3823758), (6, 3186465), (9, 2124310), (10, 1911879), (15, 1274586), (18, 1062155), (30, 637293), (45, 424862), (79, 242010), (90, 212431), (158, 121005), (237, 80670), (395, 48402), (474, 40335), (711, 26890), (790, 24201), (1185, 16134), (1422, 13445), (2370, 8067), (2689, 7110), (3555, 5378)]