19061180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 42631680

約数和(自身を除く): 23570500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 487, 515, 974, 1030, 1948, 1957, 2060, 2435, 3914, 4870, 7828, 9253, 9740, 9785, 18506, 19570, 37012, 39140, 46265, 50161, 92530, 100322, 185060, 200644, 250805, 501610, 953059, 1003220, 1906118, 3812236, 4765295, 9530590, 19061180]

約数ペア:

[(1, 19061180), (2, 9530590), (4, 4765295), (5, 3812236), (10, 1906118), (19, 1003220), (20, 953059), (38, 501610), (76, 250805), (95, 200644), (103, 185060), (190, 100322), (206, 92530), (380, 50161), (412, 46265), (487, 39140), (515, 37012), (974, 19570), (1030, 18506), (1948, 9785), (1957, 9740), (2060, 9253), (2435, 7828), (3914, 4870)]