11721788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1303}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 22235808

約数和(自身を除く): 10514020

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 1303, 2249, 2606, 4498, 5212, 8996, 16939, 33878, 67756, 225419, 450838, 901676, 2930447, 5860894, 11721788]

約数ペア:

[(1, 11721788), (2, 5860894), (4, 2930447), (13, 901676), (26, 450838), (52, 225419), (173, 67756), (346, 33878), (692, 16939), (1303, 8996), (2249, 5212), (2606, 4498)]