1998289315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1831}}^1\times {\mathrm{19843}}^1$

素因数の和:21690

約数の個数: 16

約数和(自身を含む): 2617502976

約数和(自身を除く): 619213661

約数列:

[1, 5, 11, 55, 1831, 9155, 19843, 20141, 99215, 100705, 218273, 1091365, 36332533, 181662665, 399657863, 1998289315]

約数ペア:

[(1, 1998289315), (5, 399657863), (11, 181662665), (55, 36332533), (1831, 1091365), (9155, 218273), (19843, 100705), (20141, 99215)]