19388972

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 34737360

約数和(自身を除く): 15348388

約数列:

[1, 2, 4, 61, 122, 229, 244, 347, 458, 694, 916, 1388, 13969, 21167, 27938, 42334, 55876, 79463, 84668, 158926, 317852, 4847243, 9694486, 19388972]

約数ペア:

[(1, 19388972), (2, 9694486), (4, 4847243), (61, 317852), (122, 158926), (229, 84668), (244, 79463), (347, 55876), (458, 42334), (694, 27938), (916, 21167), (1388, 13969)]