19318040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68993}}^1$

素因数の和:69011

約数の個数: 32

約数和(自身を含む): 49675680

約数和(自身を除く): 30357640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68993, 137986, 275972, 344965, 482951, 551944, 689930, 965902, 1379860, 1931804, 2414755, 2759720, 3863608, 4829510, 9659020, 19318040]

約数ペア:

[(1, 19318040), (2, 9659020), (4, 4829510), (5, 3863608), (7, 2759720), (8, 2414755), (10, 1931804), (14, 1379860), (20, 965902), (28, 689930), (35, 551944), (40, 482951), (56, 344965), (70, 275972), (140, 137986), (280, 68993)]