19937672

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 38703000

約数和(自身を除く): 18765328

約数列:

[1, 2, 4, 8, 37, 74, 148, 193, 296, 349, 386, 698, 772, 1396, 1544, 2792, 7141, 12913, 14282, 25826, 28564, 51652, 57128, 67357, 103304, 134714, 269428, 538856, 2492209, 4984418, 9968836, 19937672]

約数ペア:

[(1, 19937672), (2, 9968836), (4, 4984418), (8, 2492209), (37, 538856), (74, 269428), (148, 134714), (193, 103304), (296, 67357), (349, 57128), (386, 51652), (698, 28564), (772, 25826), (1396, 14282), (1544, 12913), (2792, 7141)]