19208916

素因数分解:

$2^2\times 3^2\times {\mathrm{533581}}^1$

素因数の和:533591

約数の個数: 18

約数和(自身を含む): 48555962

約数和(自身を除く): 29347046

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 533581, 1067162, 1600743, 2134324, 3201486, 4802229, 6402972, 9604458, 19208916]

約数ペア:

[(1, 19208916), (2, 9604458), (3, 6402972), (4, 4802229), (6, 3201486), (9, 2134324), (12, 1600743), (18, 1067162), (36, 533581)]