19427272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5557}}^1$

素因数の和:5605

約数の個数: 32

約数和(自身を含む): 40017600

約数和(自身を除く): 20590328

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 5557, 11114, 22228, 44456, 105583, 127811, 211166, 255622, 422332, 511244, 844664, 1022488, 2428409, 4856818, 9713636, 19427272]

約数ペア:

[(1, 19427272), (2, 9713636), (4, 4856818), (8, 2428409), (19, 1022488), (23, 844664), (38, 511244), (46, 422332), (76, 255622), (92, 211166), (152, 127811), (184, 105583), (437, 44456), (874, 22228), (1748, 11114), (3496, 5557)]