19640372668

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1031}}^1\times {\mathrm{1171}}^1$

素因数の和:2303

約数の個数: 72

約数和(自身を含む): 40537736064

約数和(自身を除く): 20897363396

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 581, 1031, 1162, 1171, 2062, 2324, 2342, 4067, 4124, 4684, 7217, 8134, 8197, 14434, 16268, 16394, 28868, 32788, 50519, 57379, 85573, 97193, 101038, 114758, 171146, 194386, 202076, 229516, 342292, 388772, 599011, 680351, 1198022, 1207301, 1360702, 2396044, 2414602, 2721404, 4193077, 4762457, 4829204, 8386154, 8451107, 9524914, 16772308, 16902214, 19049828, 33804428, 59157749, 100205983, 118315498, 200411966, 236630996, 400823932, 701441881, 1402883762, 2805767524, 4910093167, 9820186334, 19640372668]

約数ペア:

[(1, 19640372668), (2, 9820186334), (4, 4910093167), (7, 2805767524), (14, 1402883762), (28, 701441881), (49, 400823932), (83, 236630996), (98, 200411966), (166, 118315498), (196, 100205983), (332, 59157749), (581, 33804428), (1031, 19049828), (1162, 16902214), (1171, 16772308), (2062, 9524914), (2324, 8451107), (2342, 8386154), (4067, 4829204), (4124, 4762457), (4684, 4193077), (7217, 2721404), (8134, 2414602), (8197, 2396044), (14434, 1360702), (16268, 1207301), (16394, 1198022), (28868, 680351), (32788, 599011), (50519, 388772), (57379, 342292), (85573, 229516), (97193, 202076), (101038, 194386), (114758, 171146)]