18797877

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12973}}^1$

素因数の和:13009

約数の個数: 24

約数和(自身を含む): 32383104

約数和(自身を除く): 13585227

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12973, 38919, 90811, 116757, 272433, 298379, 817299, 895137, 2088653, 2685411, 6265959, 18797877]

約数ペア:

[(1, 18797877), (3, 6265959), (7, 2685411), (9, 2088653), (21, 895137), (23, 817299), (63, 298379), (69, 272433), (161, 116757), (207, 90811), (483, 38919), (1449, 12973)]