17971128

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 56216160

約数和(自身を除く): 38245032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 181, 197, 252, 362, 394, 504, 543, 591, 724, 788, 1086, 1182, 1267, 1379, 1448, 1576, 1629, 1773, 2172, 2364, 2534, 2758, 3258, 3546, 3801, 4137, 4344, 4728, 5068, 5516, 6516, 7092, 7602, 8274, 10136, 11032, 11403, 12411, 13032, 14184, 15204, 16548, 22806, 24822, 30408, 33096, 35657, 45612, 49644, 71314, 91224, 99288, 106971, 142628, 213942, 249599, 285256, 320913, 427884, 499198, 641826, 748797, 855768, 998396, 1283652, 1497594, 1996792, 2246391, 2567304, 2995188, 4492782, 5990376, 8985564, 17971128]

約数ペア:

[(1, 17971128), (2, 8985564), (3, 5990376), (4, 4492782), (6, 2995188), (7, 2567304), (8, 2246391), (9, 1996792), (12, 1497594), (14, 1283652), (18, 998396), (21, 855768), (24, 748797), (28, 641826), (36, 499198), (42, 427884), (56, 320913), (63, 285256), (72, 249599), (84, 213942), (126, 142628), (168, 106971), (181, 99288), (197, 91224), (252, 71314), (362, 49644), (394, 45612), (504, 35657), (543, 33096), (591, 30408), (724, 24822), (788, 22806), (1086, 16548), (1182, 15204), (1267, 14184), (1379, 13032), (1448, 12411), (1576, 11403), (1629, 11032), (1773, 10136), (2172, 8274), (2364, 7602), (2534, 7092), (2758, 6516), (3258, 5516), (3546, 5068), (3801, 4728), (4137, 4344)]