19310372

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 34467384

約数和(自身を除く): 15157012

約数列:

[1, 2, 4, 97, 157, 194, 314, 317, 388, 628, 634, 1268, 15229, 30458, 30749, 49769, 60916, 61498, 99538, 122996, 199076, 4827593, 9655186, 19310372]

約数ペア:

[(1, 19310372), (2, 9655186), (4, 4827593), (97, 199076), (157, 122996), (194, 99538), (314, 61498), (317, 60916), (388, 49769), (628, 30749), (634, 30458), (1268, 15229)]