18151840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:894

約数の個数: 96

約数和(自身を含む): 51649920

約数和(自身を除く): 33498080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 853, 1064, 1120, 1330, 1520, 1706, 2128, 2660, 3040, 3412, 4256, 4265, 5320, 5971, 6824, 8530, 10640, 11942, 13648, 16207, 17060, 21280, 23884, 27296, 29855, 32414, 34120, 47768, 59710, 64828, 68240, 81035, 95536, 113449, 119420, 129656, 136480, 162070, 191072, 226898, 238840, 259312, 324140, 453796, 477680, 518624, 567245, 648280, 907592, 955360, 1134490, 1296560, 1815184, 2268980, 2593120, 3630368, 4537960, 9075920, 18151840]

約数ペア:

[(1, 18151840), (2, 9075920), (4, 4537960), (5, 3630368), (7, 2593120), (8, 2268980), (10, 1815184), (14, 1296560), (16, 1134490), (19, 955360), (20, 907592), (28, 648280), (32, 567245), (35, 518624), (38, 477680), (40, 453796), (56, 324140), (70, 259312), (76, 238840), (80, 226898), (95, 191072), (112, 162070), (133, 136480), (140, 129656), (152, 119420), (160, 113449), (190, 95536), (224, 81035), (266, 68240), (280, 64828), (304, 59710), (380, 47768), (532, 34120), (560, 32414), (608, 29855), (665, 27296), (760, 23884), (853, 21280), (1064, 17060), (1120, 16207), (1330, 13648), (1520, 11942), (1706, 10640), (2128, 8530), (2660, 6824), (3040, 5971), (3412, 5320), (4256, 4265)]