18288547921

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{256469}}^1$

素因数の和:256704

約数の個数: 16

約数和(自身を含む): 21371132160

約数和(自身を除く): 3082584239

約数列:

[1, 7, 61, 167, 427, 1169, 10187, 71309, 256469, 1795283, 15644609, 42830323, 109512263, 299812261, 2612649703, 18288547921]

約数ペア:

[(1, 18288547921), (7, 2612649703), (61, 299812261), (167, 109512263), (427, 42830323), (1169, 15644609), (10187, 1795283), (71309, 256469)]