19953864

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 160

約数和(自身を含む): 65862720

約数和(自身を除く): 45908856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 53, 54, 56, 63, 72, 81, 83, 84, 106, 108, 126, 159, 162, 166, 168, 189, 212, 216, 249, 252, 318, 324, 332, 371, 378, 424, 477, 498, 504, 567, 581, 636, 648, 664, 742, 747, 756, 954, 996, 1113, 1134, 1162, 1272, 1431, 1484, 1494, 1512, 1743, 1908, 1992, 2226, 2241, 2268, 2324, 2862, 2968, 2988, 3339, 3486, 3816, 4293, 4399, 4452, 4482, 4536, 4648, 5229, 5724, 5976, 6678, 6723, 6972, 8586, 8798, 8904, 8964, 10017, 10458, 11448, 13197, 13356, 13446, 13944, 15687, 17172, 17596, 17928, 20034, 20916, 26394, 26712, 26892, 30051, 30793, 31374, 34344, 35192, 39591, 40068, 41832, 47061, 52788, 53784, 60102, 61586, 62748, 79182, 80136, 92379, 94122, 105576, 118773, 120204, 123172, 125496, 158364, 184758, 188244, 237546, 240408, 246344, 277137, 316728, 356319, 369516, 376488, 475092, 554274, 712638, 739032, 831411, 950184, 1108548, 1425276, 1662822, 2217096, 2494233, 2850552, 3325644, 4988466, 6651288, 9976932, 19953864]

約数ペア:

[(1, 19953864), (2, 9976932), (3, 6651288), (4, 4988466), (6, 3325644), (7, 2850552), (8, 2494233), (9, 2217096), (12, 1662822), (14, 1425276), (18, 1108548), (21, 950184), (24, 831411), (27, 739032), (28, 712638), (36, 554274), (42, 475092), (53, 376488), (54, 369516), (56, 356319), (63, 316728), (72, 277137), (81, 246344), (83, 240408), (84, 237546), (106, 188244), (108, 184758), (126, 158364), (159, 125496), (162, 123172), (166, 120204), (168, 118773), (189, 105576), (212, 94122), (216, 92379), (249, 80136), (252, 79182), (318, 62748), (324, 61586), (332, 60102), (371, 53784), (378, 52788), (424, 47061), (477, 41832), (498, 40068), (504, 39591), (567, 35192), (581, 34344), (636, 31374), (648, 30793), (664, 30051), (742, 26892), (747, 26712), (756, 26394), (954, 20916), (996, 20034), (1113, 17928), (1134, 17596), (1162, 17172), (1272, 15687), (1431, 13944), (1484, 13446), (1494, 13356), (1512, 13197), (1743, 11448), (1908, 10458), (1992, 10017), (2226, 8964), (2241, 8904), (2268, 8798), (2324, 8586), (2862, 6972), (2968, 6723), (2988, 6678), (3339, 5976), (3486, 5724), (3816, 5229), (4293, 4648), (4399, 4536), (4452, 4482)]