18156788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9437}}^1$

素因数の和:9491

約数の個数: 24

約数和(自身を含む): 35147112

約数和(自身を除く): 16990324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 9437, 18874, 37748, 122681, 245362, 349169, 490724, 698338, 1396676, 4539197, 9078394, 18156788]

約数ペア:

[(1, 18156788), (2, 9078394), (4, 4539197), (13, 1396676), (26, 698338), (37, 490724), (52, 349169), (74, 245362), (148, 122681), (481, 37748), (962, 18874), (1924, 9437)]