19981908

素因数分解:

$2^2\times 3^2\times {\mathrm{555053}}^1$

素因数の和:555063

約数の個数: 18

約数和(自身を含む): 50509914

約数和(自身を除く): 30528006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 555053, 1110106, 1665159, 2220212, 3330318, 4995477, 6660636, 9990954, 19981908]

約数ペア:

[(1, 19981908), (2, 9990954), (3, 6660636), (4, 4995477), (6, 3330318), (9, 2220212), (12, 1665159), (18, 1110106), (36, 555053)]