19856903

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:466

約数の個数: 16

約数和(自身を含む): 22311072

約数和(自身を除く): 2454169

約数列:

[1, 11, 61, 101, 293, 671, 1111, 3223, 6161, 17873, 29593, 67771, 196603, 325523, 1805173, 19856903]

約数ペア:

[(1, 19856903), (11, 1805173), (61, 325523), (101, 196603), (293, 67771), (671, 29593), (1111, 17873), (3223, 6161)]