19851296

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 40715136

約数和(自身を除く): 20863840

約数列:

[1, 2, 4, 8, 16, 32, 47, 67, 94, 134, 188, 197, 268, 376, 394, 536, 752, 788, 1072, 1504, 1576, 2144, 3149, 3152, 6298, 6304, 9259, 12596, 13199, 18518, 25192, 26398, 37036, 50384, 52796, 74072, 100768, 105592, 148144, 211184, 296288, 422368, 620353, 1240706, 2481412, 4962824, 9925648, 19851296]

約数ペア:

[(1, 19851296), (2, 9925648), (4, 4962824), (8, 2481412), (16, 1240706), (32, 620353), (47, 422368), (67, 296288), (94, 211184), (134, 148144), (188, 105592), (197, 100768), (268, 74072), (376, 52796), (394, 50384), (536, 37036), (752, 26398), (788, 25192), (1072, 18518), (1504, 13199), (1576, 12596), (2144, 9259), (3149, 6304), (3152, 6298)]