19936185

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12964935

約数列:

[1, 3, 5, 15, 67, 83, 201, 239, 249, 335, 415, 717, 1005, 1195, 1245, 3585, 5561, 16013, 16683, 19837, 27805, 48039, 59511, 80065, 83415, 99185, 240195, 297555, 1329079, 3987237, 6645395, 19936185]

約数ペア:

[(1, 19936185), (3, 6645395), (5, 3987237), (15, 1329079), (67, 297555), (83, 240195), (201, 99185), (239, 83415), (249, 80065), (335, 59511), (415, 48039), (717, 27805), (1005, 19837), (1195, 16683), (1245, 16013), (3585, 5561)]