19752194

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 38265696

約数和(自身を除く): 18513502

約数列:

[1, 2, 7, 11, 14, 22, 49, 73, 77, 98, 146, 154, 251, 502, 511, 539, 803, 1022, 1078, 1606, 1757, 2761, 3514, 3577, 5522, 5621, 7154, 11242, 12299, 18323, 19327, 24598, 36646, 38654, 39347, 78694, 128261, 135289, 201553, 256522, 270578, 403106, 897827, 1410871, 1795654, 2821742, 9876097, 19752194]

約数ペア:

[(1, 19752194), (2, 9876097), (7, 2821742), (11, 1795654), (14, 1410871), (22, 897827), (49, 403106), (73, 270578), (77, 256522), (98, 201553), (146, 135289), (154, 128261), (251, 78694), (502, 39347), (511, 38654), (539, 36646), (803, 24598), (1022, 19327), (1078, 18323), (1606, 12299), (1757, 11242), (2761, 7154), (3514, 5621), (3577, 5522)]