19837892

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 36099840

約数和(自身を除く): 16261948

約数列:

[1, 2, 4, 31, 62, 124, 157, 314, 628, 1019, 2038, 4076, 4867, 9734, 19468, 31589, 63178, 126356, 159983, 319966, 639932, 4959473, 9918946, 19837892]

約数ペア:

[(1, 19837892), (2, 9918946), (4, 4959473), (31, 639932), (62, 319966), (124, 159983), (157, 126356), (314, 63178), (628, 31589), (1019, 19468), (2038, 9734), (4076, 4867)]