18409984

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:936

約数の個数: 40

約数和(自身を含む): 37724148

約数和(自身を除く): 19314164

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 877, 1312, 1754, 2624, 3508, 5248, 7016, 10496, 14032, 20992, 28064, 35957, 56128, 71914, 112256, 143828, 224512, 287656, 449024, 575312, 1150624, 2301248, 4602496, 9204992, 18409984]

約数ペア:

[(1, 18409984), (2, 9204992), (4, 4602496), (8, 2301248), (16, 1150624), (32, 575312), (41, 449024), (64, 287656), (82, 224512), (128, 143828), (164, 112256), (256, 71914), (328, 56128), (512, 35957), (656, 28064), (877, 20992), (1312, 14032), (1754, 10496), (2624, 7016), (3508, 5248)]