2019804885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{30389}}^1$

素因数の和:30618

約数の個数: 48

約数和(自身を含む): 4020232320

約数和(自身を除く): 2000427435

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 211, 315, 633, 1055, 1477, 1899, 3165, 4431, 7385, 9495, 13293, 22155, 30389, 66465, 91167, 151945, 212723, 273501, 455835, 638169, 1063615, 1367505, 1914507, 3190845, 6412079, 9572535, 19236237, 32060395, 44884553, 57708711, 96181185, 134653659, 224422765, 288543555, 403960977, 673268295, 2019804885]

約数ペア:

[(1, 2019804885), (3, 673268295), (5, 403960977), (7, 288543555), (9, 224422765), (15, 134653659), (21, 96181185), (35, 57708711), (45, 44884553), (63, 32060395), (105, 19236237), (211, 9572535), (315, 6412079), (633, 3190845), (1055, 1914507), (1477, 1367505), (1899, 1063615), (3165, 638169), (4431, 455835), (7385, 273501), (9495, 212723), (13293, 151945), (22155, 91167), (30389, 66465)]