18743830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7237}}^1$

素因数の和:7288

約数の個数: 32

約数和(自身を含む): 39606336

約数和(自身を除く): 20862506

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 7237, 14474, 36185, 50659, 72370, 101318, 253295, 267769, 506590, 535538, 1338845, 1874383, 2677690, 3748766, 9371915, 18743830]

約数ペア:

[(1, 18743830), (2, 9371915), (5, 3748766), (7, 2677690), (10, 1874383), (14, 1338845), (35, 535538), (37, 506590), (70, 267769), (74, 253295), (185, 101318), (259, 72370), (370, 50659), (518, 36185), (1295, 14474), (2590, 7237)]