19994031

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 29789760

約数和(自身を除く): 9795729

約数列:

[1, 3, 9, 61, 79, 183, 237, 461, 549, 711, 1383, 4149, 4819, 14457, 28121, 36419, 43371, 84363, 109257, 253089, 327771, 2221559, 6664677, 19994031]

約数ペア:

[(1, 19994031), (3, 6664677), (9, 2221559), (61, 327771), (79, 253089), (183, 109257), (237, 84363), (461, 43371), (549, 36419), (711, 28121), (1383, 14457), (4149, 4819)]