19430240

素因数分解:

$2^5\times 5^1\times {\mathrm{121439}}^1$

素因数の和:121454

約数の個数: 24

約数和(自身を含む): 45904320

約数和(自身を除く): 26474080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121439, 242878, 485756, 607195, 971512, 1214390, 1943024, 2428780, 3886048, 4857560, 9715120, 19430240]

約数ペア:

[(1, 19430240), (2, 9715120), (4, 4857560), (5, 3886048), (8, 2428780), (10, 1943024), (16, 1214390), (20, 971512), (32, 607195), (40, 485756), (80, 242878), (160, 121439)]