18688844

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 33324480

約数和(自身を除く): 14635636

約数列:

[1, 2, 4, 113, 173, 226, 239, 346, 452, 478, 692, 956, 19549, 27007, 39098, 41347, 54014, 78196, 82694, 108028, 165388, 4672211, 9344422, 18688844]

約数ペア:

[(1, 18688844), (2, 9344422), (4, 4672211), (113, 165388), (173, 108028), (226, 82694), (239, 78196), (346, 54014), (452, 41347), (478, 39098), (692, 27007), (956, 19549)]