19180912

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{22619}}^1$

素因数の和:22680

約数の個数: 20

約数和(自身を含む): 37865880

約数和(自身を除く): 18684968

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 22619, 45238, 90476, 180952, 361904, 1198807, 2397614, 4795228, 9590456, 19180912]

約数ペア:

[(1, 19180912), (2, 9590456), (4, 4795228), (8, 2397614), (16, 1198807), (53, 361904), (106, 180952), (212, 90476), (424, 45238), (848, 22619)]