19726275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 34918400

約数和(自身を除く): 15192125

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 109, 127, 285, 327, 381, 475, 545, 635, 1425, 1635, 1905, 2071, 2413, 2725, 3175, 6213, 7239, 8175, 9525, 10355, 12065, 13843, 31065, 36195, 41529, 51775, 60325, 69215, 155325, 180975, 207645, 263017, 346075, 789051, 1038225, 1315085, 3945255, 6575425, 19726275]

約数ペア:

[(1, 19726275), (3, 6575425), (5, 3945255), (15, 1315085), (19, 1038225), (25, 789051), (57, 346075), (75, 263017), (95, 207645), (109, 180975), (127, 155325), (285, 69215), (327, 60325), (381, 51775), (475, 41529), (545, 36195), (635, 31065), (1425, 13843), (1635, 12065), (1905, 10355), (2071, 9525), (2413, 8175), (2725, 7239), (3175, 6213)]