18861984

素因数分解:

$2^5\times 3^4\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:424

約数の個数: 120

約数和(自身を含む): 58544640

約数和(自身を除く): 39682656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 216, 228, 288, 304, 324, 342, 383, 432, 456, 513, 608, 648, 684, 766, 864, 912, 1026, 1149, 1296, 1368, 1532, 1539, 1824, 2052, 2298, 2592, 2736, 3064, 3078, 3447, 4104, 4596, 5472, 6128, 6156, 6894, 7277, 8208, 9192, 10341, 12256, 12312, 13788, 14554, 16416, 18384, 20682, 21831, 24624, 27576, 29108, 31023, 36768, 41364, 43662, 49248, 55152, 58216, 62046, 65493, 82728, 87324, 110304, 116432, 124092, 130986, 165456, 174648, 196479, 232864, 248184, 261972, 330912, 349296, 392958, 496368, 523944, 589437, 698592, 785916, 992736, 1047888, 1178874, 1571832, 2095776, 2357748, 3143664, 4715496, 6287328, 9430992, 18861984]

約数ペア:

[(1, 18861984), (2, 9430992), (3, 6287328), (4, 4715496), (6, 3143664), (8, 2357748), (9, 2095776), (12, 1571832), (16, 1178874), (18, 1047888), (19, 992736), (24, 785916), (27, 698592), (32, 589437), (36, 523944), (38, 496368), (48, 392958), (54, 349296), (57, 330912), (72, 261972), (76, 248184), (81, 232864), (96, 196479), (108, 174648), (114, 165456), (144, 130986), (152, 124092), (162, 116432), (171, 110304), (216, 87324), (228, 82728), (288, 65493), (304, 62046), (324, 58216), (342, 55152), (383, 49248), (432, 43662), (456, 41364), (513, 36768), (608, 31023), (648, 29108), (684, 27576), (766, 24624), (864, 21831), (912, 20682), (1026, 18384), (1149, 16416), (1296, 14554), (1368, 13788), (1532, 12312), (1539, 12256), (1824, 10341), (2052, 9192), (2298, 8208), (2592, 7277), (2736, 6894), (3064, 6156), (3078, 6128), (3447, 5472), (4104, 4596)]