18977838

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{683}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 41565312

約数和(自身を除く): 22587474

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 421, 683, 842, 1263, 1366, 2049, 2526, 4098, 4631, 7513, 9262, 13893, 15026, 22539, 27786, 45078, 287543, 575086, 862629, 1725258, 3162973, 6325946, 9488919, 18977838]

約数ペア:

[(1, 18977838), (2, 9488919), (3, 6325946), (6, 3162973), (11, 1725258), (22, 862629), (33, 575086), (66, 287543), (421, 45078), (683, 27786), (842, 22539), (1263, 15026), (1366, 13893), (2049, 9262), (2526, 7513), (4098, 4631)]