19756576

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 25240544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 991, 1246, 1424, 1982, 2492, 2848, 3964, 4984, 6937, 7928, 9968, 13874, 15856, 19936, 27748, 31712, 55496, 88199, 110992, 176398, 221984, 352796, 617393, 705592, 1234786, 1411184, 2469572, 2822368, 4939144, 9878288, 19756576]

約数ペア:

[(1, 19756576), (2, 9878288), (4, 4939144), (7, 2822368), (8, 2469572), (14, 1411184), (16, 1234786), (28, 705592), (32, 617393), (56, 352796), (89, 221984), (112, 176398), (178, 110992), (224, 88199), (356, 55496), (623, 31712), (712, 27748), (991, 19936), (1246, 15856), (1424, 13874), (1982, 9968), (2492, 7928), (2848, 6937), (3964, 4984)]