18996977392

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{2753}}^1$

素因数の和:3026

約数の個数: 80

約数和(自身を含む): 38524846752

約数和(自身を除く): 19527869360

約数列:

[1, 2, 4, 8, 16, 41, 67, 82, 134, 157, 164, 268, 314, 328, 536, 628, 656, 1072, 1256, 2512, 2747, 2753, 5494, 5506, 6437, 10519, 10988, 11012, 12874, 21038, 21976, 22024, 25748, 42076, 43952, 44048, 51496, 84152, 102992, 112873, 168304, 184451, 225746, 368902, 431279, 432221, 451492, 737804, 862558, 864442, 902984, 1475608, 1725116, 1728884, 1805968, 2951216, 3450232, 3457768, 6900464, 6915536, 7562491, 15124982, 17721061, 28958807, 30249964, 35442122, 57917614, 60499928, 70884244, 115835228, 120999856, 141768488, 231670456, 283536976, 463340912, 1187311087, 2374622174, 4749244348, 9498488696, 18996977392]

約数ペア:

[(1, 18996977392), (2, 9498488696), (4, 4749244348), (8, 2374622174), (16, 1187311087), (41, 463340912), (67, 283536976), (82, 231670456), (134, 141768488), (157, 120999856), (164, 115835228), (268, 70884244), (314, 60499928), (328, 57917614), (536, 35442122), (628, 30249964), (656, 28958807), (1072, 17721061), (1256, 15124982), (2512, 7562491), (2747, 6915536), (2753, 6900464), (5494, 3457768), (5506, 3450232), (6437, 2951216), (10519, 1805968), (10988, 1728884), (11012, 1725116), (12874, 1475608), (21038, 902984), (21976, 864442), (22024, 862558), (25748, 737804), (42076, 451492), (43952, 432221), (44048, 431279), (51496, 368902), (84152, 225746), (102992, 184451), (112873, 168304)]