18969643

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3677}}^1$

素因数の和:3762

約数の個数: 16

約数和(自身を含む): 24009984

約数和(自身を除く): 5040341

約数列:

[1, 7, 11, 67, 77, 469, 737, 3677, 5159, 25739, 40447, 246359, 283129, 1724513, 2709949, 18969643]

約数ペア:

[(1, 18969643), (7, 2709949), (11, 1724513), (67, 283129), (77, 246359), (469, 40447), (737, 25739), (3677, 5159)]