1918437260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1\times {\mathrm{2251}}^1$

素因数の和:3294

約数の個数: 48

約数和(自身を含む): 4128402432

約数和(自身を除く): 2209965172

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 991, 1982, 2251, 3964, 4502, 4955, 9004, 9910, 11255, 19820, 22510, 42613, 45020, 85226, 96793, 170452, 193586, 213065, 387172, 426130, 483965, 852260, 967930, 1935860, 2230741, 4461482, 8922964, 11153705, 22307410, 44614820, 95921863, 191843726, 383687452, 479609315, 959218630, 1918437260]

約数ペア:

[(1, 1918437260), (2, 959218630), (4, 479609315), (5, 383687452), (10, 191843726), (20, 95921863), (43, 44614820), (86, 22307410), (172, 11153705), (215, 8922964), (430, 4461482), (860, 2230741), (991, 1935860), (1982, 967930), (2251, 852260), (3964, 483965), (4502, 426130), (4955, 387172), (9004, 213065), (9910, 193586), (11255, 170452), (19820, 96793), (22510, 85226), (42613, 45020)]