18997897088

素因数分解:

$2^7\times {\mathrm{151}}^1\times {\mathrm{439}}^1\times {\mathrm{2239}}^1$

素因数の和:2843

約数の個数: 64

約数和(自身を含む): 38201856000

約数和(自身を除く): 19203958912

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 302, 439, 604, 878, 1208, 1756, 2239, 2416, 3512, 4478, 4832, 7024, 8956, 9664, 14048, 17912, 19328, 28096, 35824, 56192, 66289, 71648, 132578, 143296, 265156, 286592, 338089, 530312, 676178, 982921, 1060624, 1352356, 1965842, 2121248, 2704712, 3931684, 4242496, 5409424, 7863368, 8484992, 10818848, 15726736, 21637696, 31453472, 43275392, 62906944, 125813888, 148421071, 296842142, 593684284, 1187368568, 2374737136, 4749474272, 9498948544, 18997897088]

約数ペア:

[(1, 18997897088), (2, 9498948544), (4, 4749474272), (8, 2374737136), (16, 1187368568), (32, 593684284), (64, 296842142), (128, 148421071), (151, 125813888), (302, 62906944), (439, 43275392), (604, 31453472), (878, 21637696), (1208, 15726736), (1756, 10818848), (2239, 8484992), (2416, 7863368), (3512, 5409424), (4478, 4242496), (4832, 3931684), (7024, 2704712), (8956, 2121248), (9664, 1965842), (14048, 1352356), (17912, 1060624), (19328, 982921), (28096, 676178), (35824, 530312), (56192, 338089), (66289, 286592), (71648, 265156), (132578, 143296)]