19113760

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1783}}^1$

素因数の和:1865

約数の個数: 48

約数和(自身を含む): 45855936

約数和(自身を除く): 26742176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 1783, 2144, 2680, 3566, 5360, 7132, 8915, 10720, 14264, 17830, 28528, 35660, 57056, 71320, 119461, 142640, 238922, 285280, 477844, 597305, 955688, 1194610, 1911376, 2389220, 3822752, 4778440, 9556880, 19113760]

約数ペア:

[(1, 19113760), (2, 9556880), (4, 4778440), (5, 3822752), (8, 2389220), (10, 1911376), (16, 1194610), (20, 955688), (32, 597305), (40, 477844), (67, 285280), (80, 238922), (134, 142640), (160, 119461), (268, 71320), (335, 57056), (536, 35660), (670, 28528), (1072, 17830), (1340, 14264), (1783, 10720), (2144, 8915), (2680, 7132), (3566, 5360)]