19802019974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{7109}}^1\times {\mathrm{126613}}^1$

素因数の和:133735

約数の個数: 16

約数和(自身を含む): 32408119440

約数和(自身を除く): 12606099466

約数列:

[1, 2, 11, 22, 7109, 14218, 78199, 126613, 156398, 253226, 1392743, 2785486, 900091817, 1800183634, 9901009987, 19802019974]

約数ペア:

[(1, 19802019974), (2, 9901009987), (11, 1800183634), (22, 900091817), (7109, 2785486), (14218, 1392743), (78199, 253226), (126613, 156398)]