18664416

素因数分解:

$2^5\times 3^2\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:528

約数の個数: 72

約数和(自身を含む): 53497080

約数和(自身を除く): 34832664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 229, 283, 288, 458, 566, 687, 849, 916, 1132, 1374, 1698, 1832, 2061, 2264, 2547, 2748, 3396, 3664, 4122, 4528, 5094, 5496, 6792, 7328, 8244, 9056, 10188, 10992, 13584, 16488, 20376, 21984, 27168, 32976, 40752, 64807, 65952, 81504, 129614, 194421, 259228, 388842, 518456, 583263, 777684, 1036912, 1166526, 1555368, 2073824, 2333052, 3110736, 4666104, 6221472, 9332208, 18664416]

約数ペア:

[(1, 18664416), (2, 9332208), (3, 6221472), (4, 4666104), (6, 3110736), (8, 2333052), (9, 2073824), (12, 1555368), (16, 1166526), (18, 1036912), (24, 777684), (32, 583263), (36, 518456), (48, 388842), (72, 259228), (96, 194421), (144, 129614), (229, 81504), (283, 65952), (288, 64807), (458, 40752), (566, 32976), (687, 27168), (849, 21984), (916, 20376), (1132, 16488), (1374, 13584), (1698, 10992), (1832, 10188), (2061, 9056), (2264, 8244), (2547, 7328), (2748, 6792), (3396, 5496), (3664, 5094), (4122, 4528)]