19798394

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2179}}^1$

素因数の和:2258

約数の個数: 32

約数和(自身を含む): 37670400

約数和(自身を除く): 17872006

約数列:

[1, 2, 7, 11, 14, 22, 59, 77, 118, 154, 413, 649, 826, 1298, 2179, 4358, 4543, 9086, 15253, 23969, 30506, 47938, 128561, 167783, 257122, 335566, 899927, 1414171, 1799854, 2828342, 9899197, 19798394]

約数ペア:

[(1, 19798394), (2, 9899197), (7, 2828342), (11, 1799854), (14, 1414171), (22, 899927), (59, 335566), (77, 257122), (118, 167783), (154, 128561), (413, 47938), (649, 30506), (826, 23969), (1298, 15253), (2179, 9086), (4358, 4543)]