201905115

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 358525440

約数和(自身を除く): 156620325

約数列:

[1, 3, 5, 15, 19, 37, 41, 57, 95, 111, 123, 185, 205, 285, 467, 555, 615, 703, 779, 1401, 1517, 2109, 2335, 2337, 3515, 3895, 4551, 7005, 7585, 8873, 10545, 11685, 17279, 19147, 22755, 26619, 28823, 44365, 51837, 57441, 86395, 86469, 95735, 133095, 144115, 259185, 287205, 328301, 363793, 432345, 708439, 984903, 1091379, 1641505, 1818965, 2125317, 3542195, 4924515, 5456895, 10626585, 13460341, 40381023, 67301705, 201905115]

約数ペア:

[(1, 201905115), (3, 67301705), (5, 40381023), (15, 13460341), (19, 10626585), (37, 5456895), (41, 4924515), (57, 3542195), (95, 2125317), (111, 1818965), (123, 1641505), (185, 1091379), (205, 984903), (285, 708439), (467, 432345), (555, 363793), (615, 328301), (703, 287205), (779, 259185), (1401, 144115), (1517, 133095), (2109, 95735), (2335, 86469), (2337, 86395), (3515, 57441), (3895, 51837), (4551, 44365), (7005, 28823), (7585, 26619), (8873, 22755), (10545, 19147), (11685, 17279)]