19941715580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1\times {\mathrm{24197}}^1$

素因数の和:24758

約数の個数: 48

約数和(自身を含む): 42441356160

約数和(自身を除く): 22499640580

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 463, 890, 926, 1780, 1852, 2315, 4630, 9260, 24197, 41207, 48394, 82414, 96788, 120985, 164828, 206035, 241970, 412070, 483940, 824140, 2153533, 4307066, 8614132, 10767665, 11203211, 21535330, 22406422, 43070660, 44812844, 56016055, 112032110, 224064220, 997085779, 1994171558, 3988343116, 4985428895, 9970857790, 19941715580]

約数ペア:

[(1, 19941715580), (2, 9970857790), (4, 4985428895), (5, 3988343116), (10, 1994171558), (20, 997085779), (89, 224064220), (178, 112032110), (356, 56016055), (445, 44812844), (463, 43070660), (890, 22406422), (926, 21535330), (1780, 11203211), (1852, 10767665), (2315, 8614132), (4630, 4307066), (9260, 2153533), (24197, 824140), (41207, 483940), (48394, 412070), (82414, 241970), (96788, 206035), (120985, 164828)]