19094075

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 32654160

約数和(自身を除く): 13560085

約数列:

[1, 5, 7, 11, 13, 25, 35, 49, 55, 65, 77, 91, 109, 143, 175, 245, 275, 325, 385, 455, 539, 545, 637, 715, 763, 1001, 1199, 1225, 1417, 1925, 2275, 2695, 2725, 3185, 3575, 3815, 5005, 5341, 5995, 7007, 7085, 8393, 9919, 13475, 15587, 15925, 19075, 25025, 26705, 29975, 35035, 35425, 41965, 49595, 58751, 69433, 77935, 109109, 133525, 175175, 209825, 247975, 293755, 347165, 389675, 545545, 763763, 1468775, 1735825, 2727725, 3818815, 19094075]

約数ペア:

[(1, 19094075), (5, 3818815), (7, 2727725), (11, 1735825), (13, 1468775), (25, 763763), (35, 545545), (49, 389675), (55, 347165), (65, 293755), (77, 247975), (91, 209825), (109, 175175), (143, 133525), (175, 109109), (245, 77935), (275, 69433), (325, 58751), (385, 49595), (455, 41965), (539, 35425), (545, 35035), (637, 29975), (715, 26705), (763, 25025), (1001, 19075), (1199, 15925), (1225, 15587), (1417, 13475), (1925, 9919), (2275, 8393), (2695, 7085), (2725, 7007), (3185, 5995), (3575, 5341), (3815, 5005)]