219095802

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{640631}}^1$

素因数の和:640658

約数の個数: 24

約数和(自身を含む): 499692960

約数和(自身を除く): 280597158

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 640631, 1281262, 1921893, 3843786, 5765679, 11531358, 12171989, 24343978, 36515967, 73031934, 109547901, 219095802]

約数ペア:

[(1, 219095802), (2, 109547901), (3, 73031934), (6, 36515967), (9, 24343978), (18, 12171989), (19, 11531358), (38, 5765679), (57, 3843786), (114, 1921893), (171, 1281262), (342, 640631)]