20181531645

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{563}}^1$

素因数の和:928

約数の個数: 128

約数和(自身を含む): 39763353600

約数和(自身を除く): 19581821955

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 101, 135, 165, 239, 297, 303, 495, 505, 563, 717, 909, 1111, 1195, 1485, 1515, 1689, 2151, 2629, 2727, 2815, 3333, 3585, 4545, 5067, 5555, 6193, 6453, 7887, 8445, 9999, 10755, 13145, 13635, 15201, 16665, 18579, 23661, 24139, 25335, 29997, 30965, 32265, 39435, 49995, 55737, 56863, 70983, 72417, 76005, 92895, 118305, 120695, 134557, 149985, 167211, 170589, 217251, 265529, 278685, 284315, 354915, 362085, 403671, 511767, 625493, 651753, 672785, 796587, 836055, 852945, 1086255, 1211013, 1327645, 1480127, 1535301, 1876479, 2018355, 2389761, 2558835, 3127465, 3258765, 3633039, 3982935, 4440381, 5629437, 6055065, 7169283, 7400635, 7676505, 9382395, 11948805, 13321143, 13590257, 16888311, 18165195, 22201905, 28147185, 35846415, 39963429, 40770771, 66605715, 67951285, 84441555, 122312313, 149492827, 199817145, 203853855, 366936939, 448478481, 611561565, 747464135, 1345435443, 1834684695, 2242392405, 4036306329, 6727177215, 20181531645]

約数ペア:

[(1, 20181531645), (3, 6727177215), (5, 4036306329), (9, 2242392405), (11, 1834684695), (15, 1345435443), (27, 747464135), (33, 611561565), (45, 448478481), (55, 366936939), (99, 203853855), (101, 199817145), (135, 149492827), (165, 122312313), (239, 84441555), (297, 67951285), (303, 66605715), (495, 40770771), (505, 39963429), (563, 35846415), (717, 28147185), (909, 22201905), (1111, 18165195), (1195, 16888311), (1485, 13590257), (1515, 13321143), (1689, 11948805), (2151, 9382395), (2629, 7676505), (2727, 7400635), (2815, 7169283), (3333, 6055065), (3585, 5629437), (4545, 4440381), (5067, 3982935), (5555, 3633039), (6193, 3258765), (6453, 3127465), (7887, 2558835), (8445, 2389761), (9999, 2018355), (10755, 1876479), (13145, 1535301), (13635, 1480127), (15201, 1327645), (16665, 1211013), (18579, 1086255), (23661, 852945), (24139, 836055), (25335, 796587), (29997, 672785), (30965, 651753), (32265, 625493), (39435, 511767), (49995, 403671), (55737, 362085), (56863, 354915), (70983, 284315), (72417, 278685), (76005, 265529), (92895, 217251), (118305, 170589), (120695, 167211), (134557, 149985)]