19091133

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7603}}^1$

素因数の和:7646

約数の個数: 20

約数和(自身を含む): 29442688

約数和(自身を除く): 10351555

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7603, 22809, 68427, 205281, 235693, 615843, 707079, 2121237, 6363711, 19091133]

約数ペア:

[(1, 19091133), (3, 6363711), (9, 2121237), (27, 707079), (31, 615843), (81, 235693), (93, 205281), (279, 68427), (837, 22809), (2511, 7603)]