19458040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69493}}^1$

素因数の和:69511

約数の個数: 32

約数和(自身を含む): 50035680

約数和(自身を除く): 30577640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69493, 138986, 277972, 347465, 486451, 555944, 694930, 972902, 1389860, 1945804, 2432255, 2779720, 3891608, 4864510, 9729020, 19458040]

約数ペア:

[(1, 19458040), (2, 9729020), (4, 4864510), (5, 3891608), (7, 2779720), (8, 2432255), (10, 1945804), (14, 1389860), (20, 972902), (28, 694930), (35, 555944), (40, 486451), (56, 347465), (70, 277972), (140, 138986), (280, 69493)]