19538028

素因数分解:

$2^2\times 3^2\times {\mathrm{542723}}^1$

素因数の和:542733

約数の個数: 18

約数和(自身を含む): 49387884

約数和(自身を除く): 29849856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 542723, 1085446, 1628169, 2170892, 3256338, 4884507, 6512676, 9769014, 19538028]

約数ペア:

[(1, 19538028), (2, 9769014), (3, 6512676), (4, 4884507), (6, 3256338), (9, 2170892), (12, 1628169), (18, 1085446), (36, 542723)]