19746608

素因数分解:

$2^4\times 7^2\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:394

約数の個数: 60

約数和(自身を含む): 45164520

約数和(自身を除く): 25417912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 89, 98, 112, 178, 196, 283, 356, 392, 566, 623, 712, 784, 1132, 1246, 1424, 1981, 2264, 2492, 3962, 4361, 4528, 4984, 7924, 8722, 9968, 13867, 15848, 17444, 25187, 27734, 31696, 34888, 50374, 55468, 69776, 100748, 110936, 176309, 201496, 221872, 352618, 402992, 705236, 1234163, 1410472, 2468326, 2820944, 4936652, 9873304, 19746608]

約数ペア:

[(1, 19746608), (2, 9873304), (4, 4936652), (7, 2820944), (8, 2468326), (14, 1410472), (16, 1234163), (28, 705236), (49, 402992), (56, 352618), (89, 221872), (98, 201496), (112, 176309), (178, 110936), (196, 100748), (283, 69776), (356, 55468), (392, 50374), (566, 34888), (623, 31696), (712, 27734), (784, 25187), (1132, 17444), (1246, 15848), (1424, 13867), (1981, 9968), (2264, 8722), (2492, 7924), (3962, 4984), (4361, 4528)]