19741884190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1097381}}^1$

素因数の和:1097652

約数の個数: 32

約数和(自身を含む): 40769936064

約数和(自身を除く): 21028051874

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 8995, 17990, 1097381, 2194762, 5486905, 7681667, 10973810, 15363334, 38408335, 76816670, 282026917, 564053834, 1410134585, 1974188419, 2820269170, 3948376838, 9870942095, 19741884190]

約数ペア:

[(1, 19741884190), (2, 9870942095), (5, 3948376838), (7, 2820269170), (10, 1974188419), (14, 1410134585), (35, 564053834), (70, 282026917), (257, 76816670), (514, 38408335), (1285, 15363334), (1799, 10973810), (2570, 7681667), (3598, 5486905), (8995, 2194762), (17990, 1097381)]