20180761916

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{853}}^1\times {\mathrm{6353}}^1$

素因数の和:7243

約数の個数: 72

約数和(自身を含む): 43302001680

約数和(自身を除く): 23121239764

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 853, 931, 1706, 1862, 3412, 3724, 5971, 6353, 11942, 12706, 16207, 23884, 25412, 32414, 41797, 44471, 64828, 83594, 88942, 113449, 120707, 167188, 177884, 226898, 241414, 311297, 453796, 482828, 622594, 794143, 844949, 1245188, 1588286, 1689898, 3176572, 3379796, 5419109, 5914643, 10838218, 11829286, 21676436, 23658572, 37933763, 75867526, 102963071, 151735052, 205926142, 265536341, 411852284, 531072682, 720741497, 1062145364, 1441482994, 2882965988, 5045190479, 10090380958, 20180761916]

約数ペア:

[(1, 20180761916), (2, 10090380958), (4, 5045190479), (7, 2882965988), (14, 1441482994), (19, 1062145364), (28, 720741497), (38, 531072682), (49, 411852284), (76, 265536341), (98, 205926142), (133, 151735052), (196, 102963071), (266, 75867526), (532, 37933763), (853, 23658572), (931, 21676436), (1706, 11829286), (1862, 10838218), (3412, 5914643), (3724, 5419109), (5971, 3379796), (6353, 3176572), (11942, 1689898), (12706, 1588286), (16207, 1245188), (23884, 844949), (25412, 794143), (32414, 622594), (41797, 482828), (44471, 453796), (64828, 311297), (83594, 241414), (88942, 226898), (113449, 177884), (120707, 167188)]