19363968

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 42325632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 288, 312, 351, 384, 416, 431, 432, 468, 576, 624, 702, 832, 862, 864, 936, 1152, 1248, 1293, 1404, 1664, 1724, 1728, 1872, 2496, 2586, 2808, 3448, 3456, 3744, 3879, 4992, 5172, 5603, 5616, 6896, 7488, 7758, 10344, 11206, 11232, 11637, 13792, 14976, 15516, 16809, 20688, 22412, 22464, 23274, 27584, 31032, 33618, 41376, 44824, 44928, 46548, 50427, 55168, 62064, 67236, 82752, 89648, 93096, 100854, 124128, 134472, 151281, 165504, 179296, 186192, 201708, 248256, 268944, 302562, 358592, 372384, 403416, 496512, 537888, 605124, 717184, 744768, 806832, 1075776, 1210248, 1489536, 1613664, 2151552, 2420496, 3227328, 4840992, 6454656, 9681984, 19363968]

約数ペア:

[(1, 19363968), (2, 9681984), (3, 6454656), (4, 4840992), (6, 3227328), (8, 2420496), (9, 2151552), (12, 1613664), (13, 1489536), (16, 1210248), (18, 1075776), (24, 806832), (26, 744768), (27, 717184), (32, 605124), (36, 537888), (39, 496512), (48, 403416), (52, 372384), (54, 358592), (64, 302562), (72, 268944), (78, 248256), (96, 201708), (104, 186192), (108, 179296), (117, 165504), (128, 151281), (144, 134472), (156, 124128), (192, 100854), (208, 93096), (216, 89648), (234, 82752), (288, 67236), (312, 62064), (351, 55168), (384, 50427), (416, 46548), (431, 44928), (432, 44824), (468, 41376), (576, 33618), (624, 31032), (702, 27584), (832, 23274), (862, 22464), (864, 22412), (936, 20688), (1152, 16809), (1248, 15516), (1293, 14976), (1404, 13792), (1664, 11637), (1724, 11232), (1728, 11206), (1872, 10344), (2496, 7758), (2586, 7488), (2808, 6896), (3448, 5616), (3456, 5603), (3744, 5172), (3879, 4992)]