19723858

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{607}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 37122048

約数和(自身を除く): 17398190

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 211, 422, 607, 1214, 1477, 2321, 2954, 4249, 4642, 6677, 8498, 13354, 16247, 32494, 46739, 93478, 128077, 256154, 896539, 1408847, 1793078, 2817694, 9861929, 19723858]

約数ペア:

[(1, 19723858), (2, 9861929), (7, 2817694), (11, 1793078), (14, 1408847), (22, 896539), (77, 256154), (154, 128077), (211, 93478), (422, 46739), (607, 32494), (1214, 16247), (1477, 13354), (2321, 8498), (2954, 6677), (4249, 4642)]