18377989

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{709}}^1$

素因数の和:769

約数の個数: 18

約数和(自身を含む): 22379910

約数和(自身を除く): 4001921

約数列:

[1, 7, 23, 49, 161, 529, 709, 1127, 3703, 4963, 16307, 25921, 34741, 114149, 375061, 799043, 2625427, 18377989]

約数ペア:

[(1, 18377989), (7, 2625427), (23, 799043), (49, 375061), (161, 114149), (529, 34741), (709, 25921), (1127, 16307), (3703, 4963)]