19898889228

素因数分解:

$2^2\times 3^2\times {\mathrm{552746923}}^1$

素因数の和:552746933

約数の個数: 18

約数和(自身を含む): 50299970084

約数和(自身を除く): 30401080856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 552746923, 1105493846, 1658240769, 2210987692, 3316481538, 4974722307, 6632963076, 9949444614, 19898889228]

約数ペア:

[(1, 19898889228), (2, 9949444614), (3, 6632963076), (4, 4974722307), (6, 3316481538), (9, 2210987692), (12, 1658240769), (18, 1105493846), (36, 552746923)]