2019881241

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1687453}}^1$

素因数の和:1687485

約数の個数: 24

約数和(自身を含む): 3509904320

約数和(自身を除く): 1490023079

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1687453, 5062359, 11812171, 15187077, 32061607, 35436513, 96184821, 106309539, 224431249, 288554463, 673293747, 2019881241]

約数ペア:

[(1, 2019881241), (3, 673293747), (7, 288554463), (9, 224431249), (19, 106309539), (21, 96184821), (57, 35436513), (63, 32061607), (133, 15187077), (171, 11812171), (399, 5062359), (1197, 1687453)]