19415921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{977}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 23659776

約数和(自身を除く): 4243855

約数列:

[1, 7, 17, 119, 167, 977, 1169, 2839, 6839, 16609, 19873, 116263, 163159, 1142113, 2773703, 19415921]

約数ペア:

[(1, 19415921), (7, 2773703), (17, 1142113), (119, 163159), (167, 116263), (977, 19873), (1169, 16609), (2839, 6839)]