13784215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{389}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 17503200

約数和(自身を除く): 3718985

約数列:

[1, 5, 19, 95, 373, 389, 1865, 1945, 7087, 7391, 35435, 36955, 145097, 725485, 2756843, 13784215]

約数ペア:

[(1, 13784215), (5, 2756843), (19, 725485), (95, 145097), (373, 36955), (389, 35435), (1865, 7391), (1945, 7087)]