19917504

素因数分解:

$2^6\times 3^2\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 84

約数和(自身を含む): 57718960

約数和(自身を除く): 37801456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 151, 192, 229, 288, 302, 453, 458, 576, 604, 687, 906, 916, 1208, 1359, 1374, 1812, 1832, 2061, 2416, 2718, 2748, 3624, 3664, 4122, 4832, 5436, 5496, 7248, 7328, 8244, 9664, 10872, 10992, 14496, 14656, 16488, 21744, 21984, 28992, 32976, 34579, 43488, 43968, 65952, 69158, 86976, 103737, 131904, 138316, 207474, 276632, 311211, 414948, 553264, 622422, 829896, 1106528, 1244844, 1659792, 2213056, 2489688, 3319584, 4979376, 6639168, 9958752, 19917504]

約数ペア:

[(1, 19917504), (2, 9958752), (3, 6639168), (4, 4979376), (6, 3319584), (8, 2489688), (9, 2213056), (12, 1659792), (16, 1244844), (18, 1106528), (24, 829896), (32, 622422), (36, 553264), (48, 414948), (64, 311211), (72, 276632), (96, 207474), (144, 138316), (151, 131904), (192, 103737), (229, 86976), (288, 69158), (302, 65952), (453, 43968), (458, 43488), (576, 34579), (604, 32976), (687, 28992), (906, 21984), (916, 21744), (1208, 16488), (1359, 14656), (1374, 14496), (1812, 10992), (1832, 10872), (2061, 9664), (2416, 8244), (2718, 7328), (2748, 7248), (3624, 5496), (3664, 5436), (4122, 4832)]