19808906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40099}}^1$

素因数の和:40133

約数の個数: 16

約数和(自身を含む): 33684000

約数和(自身を除く): 13875094

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 40099, 80198, 521287, 761881, 1042574, 1523762, 9904453, 19808906]

約数ペア:

[(1, 19808906), (2, 9904453), (13, 1523762), (19, 1042574), (26, 761881), (38, 521287), (247, 80198), (494, 40099)]