18951992

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1575

約数の個数: 32

約数和(自身を含む): 37369200

約数和(自身を除く): 18417208

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1489, 1591, 2978, 3182, 5956, 6364, 11912, 12728, 55093, 64027, 110186, 128054, 220372, 256108, 440744, 512216, 2368999, 4737998, 9475996, 18951992]

約数ペア:

[(1, 18951992), (2, 9475996), (4, 4737998), (8, 2368999), (37, 512216), (43, 440744), (74, 256108), (86, 220372), (148, 128054), (172, 110186), (296, 64027), (344, 55093), (1489, 12728), (1591, 11912), (2978, 6364), (3182, 5956)]