19647840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40933}}^1$

素因数の和:40951

約数の個数: 48

約数和(自身を含む): 61892208

約数和(自身を除く): 42244368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 40933, 81866, 122799, 163732, 204665, 245598, 327464, 409330, 491196, 613995, 654928, 818660, 982392, 1227990, 1309856, 1637320, 1964784, 2455980, 3274640, 3929568, 4911960, 6549280, 9823920, 19647840]

約数ペア:

[(1, 19647840), (2, 9823920), (3, 6549280), (4, 4911960), (5, 3929568), (6, 3274640), (8, 2455980), (10, 1964784), (12, 1637320), (15, 1309856), (16, 1227990), (20, 982392), (24, 818660), (30, 654928), (32, 613995), (40, 491196), (48, 409330), (60, 327464), (80, 245598), (96, 204665), (120, 163732), (160, 122799), (240, 81866), (480, 40933)]