1913209921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1\times {\mathrm{13687}}^1$

素因数の和:14764

約数の個数: 16

約数和(自身を含む): 2303964160

約数和(自身を除く): 390754239

約数列:

[1, 7, 19, 133, 1051, 7357, 13687, 19969, 95809, 139783, 260053, 1820371, 14385037, 100695259, 273315703, 1913209921]

約数ペア:

[(1, 1913209921), (7, 273315703), (19, 100695259), (133, 14385037), (1051, 1820371), (7357, 260053), (13687, 139783), (19969, 95809)]