18468541917

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1613}}^1\times {\mathrm{2089}}^1$

素因数の和:3747

約数の個数: 64

約数和(自身を含む): 32383296000

約数和(自身を除く): 13914754083

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1613, 1827, 2089, 4839, 5481, 6267, 11291, 14517, 14623, 18801, 33873, 43551, 43869, 46777, 56403, 60581, 101619, 131607, 140331, 181743, 304857, 327439, 394821, 420993, 424067, 545229, 982317, 1262979, 1272201, 1635687, 2946951, 3369557, 3816603, 8840853, 10108671, 11449809, 23586899, 30326013, 70760697, 90978039, 97717153, 212282091, 293151459, 636846273, 684020071, 879454377, 2052060213, 2638363131, 6156180639, 18468541917]

約数ペア:

[(1, 18468541917), (3, 6156180639), (7, 2638363131), (9, 2052060213), (21, 879454377), (27, 684020071), (29, 636846273), (63, 293151459), (87, 212282091), (189, 97717153), (203, 90978039), (261, 70760697), (609, 30326013), (783, 23586899), (1613, 11449809), (1827, 10108671), (2089, 8840853), (4839, 3816603), (5481, 3369557), (6267, 2946951), (11291, 1635687), (14517, 1272201), (14623, 1262979), (18801, 982317), (33873, 545229), (43551, 424067), (43869, 420993), (46777, 394821), (56403, 327439), (60581, 304857), (101619, 181743), (131607, 140331)]