19193020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{103}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 51158016

約数和(自身を除く): 31964996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 103, 110, 121, 140, 154, 206, 220, 242, 308, 385, 412, 484, 515, 605, 721, 770, 847, 1030, 1133, 1210, 1331, 1442, 1540, 1694, 2060, 2266, 2420, 2662, 2884, 3388, 3605, 4235, 4532, 5324, 5665, 6655, 7210, 7931, 8470, 9317, 11330, 12463, 13310, 14420, 15862, 16940, 18634, 22660, 24926, 26620, 31724, 37268, 39655, 46585, 49852, 62315, 79310, 87241, 93170, 124630, 137093, 158620, 174482, 186340, 249260, 274186, 348964, 436205, 548372, 685465, 872410, 959651, 1370930, 1744820, 1919302, 2741860, 3838604, 4798255, 9596510, 19193020]

約数ペア:

[(1, 19193020), (2, 9596510), (4, 4798255), (5, 3838604), (7, 2741860), (10, 1919302), (11, 1744820), (14, 1370930), (20, 959651), (22, 872410), (28, 685465), (35, 548372), (44, 436205), (55, 348964), (70, 274186), (77, 249260), (103, 186340), (110, 174482), (121, 158620), (140, 137093), (154, 124630), (206, 93170), (220, 87241), (242, 79310), (308, 62315), (385, 49852), (412, 46585), (484, 39655), (515, 37268), (605, 31724), (721, 26620), (770, 24926), (847, 22660), (1030, 18634), (1133, 16940), (1210, 15862), (1331, 14420), (1442, 13310), (1540, 12463), (1694, 11330), (2060, 9317), (2266, 8470), (2420, 7931), (2662, 7210), (2884, 6655), (3388, 5665), (3605, 5324), (4235, 4532)]