19639591738

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{3083}}^1$

素因数の和:3559

約数の個数: 48

約数和(自身を含む): 32670366336

約数和(自身を除く): 13030774598

約数列:

[1, 2, 13, 26, 47, 94, 169, 338, 401, 611, 802, 1222, 3083, 5213, 6166, 7943, 10426, 15886, 18847, 37694, 40079, 67769, 80158, 135538, 144901, 245011, 289802, 490022, 521027, 1042054, 1236283, 1883713, 2472566, 3185143, 3767426, 6370286, 16071679, 24488269, 32143358, 48976538, 58105301, 116210602, 208931827, 417863654, 755368913, 1510737826, 9819795869, 19639591738]

約数ペア:

[(1, 19639591738), (2, 9819795869), (13, 1510737826), (26, 755368913), (47, 417863654), (94, 208931827), (169, 116210602), (338, 58105301), (401, 48976538), (611, 32143358), (802, 24488269), (1222, 16071679), (3083, 6370286), (5213, 3767426), (6166, 3185143), (7943, 2472566), (10426, 1883713), (15886, 1236283), (18847, 1042054), (37694, 521027), (40079, 490022), (67769, 289802), (80158, 245011), (135538, 144901)]