18999661821

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2733371}}^1$

素因数の和:2733712

約数の個数: 16

約数和(自身を含む): 29039344128

約数和(自身を除く): 10039682307

約数列:

[1, 3, 7, 21, 331, 993, 2317, 6951, 2733371, 8200113, 19133597, 57400791, 904745801, 2714237403, 6333220607, 18999661821]

約数ペア:

[(1, 18999661821), (3, 6333220607), (7, 2714237403), (21, 904745801), (331, 57400791), (993, 19133597), (2317, 8200113), (6951, 2733371)]