19062225

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 144

約数和(自身を含む): 45136000

約数和(自身を除く): 26073775

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 25, 35, 39, 45, 49, 57, 63, 65, 75, 91, 95, 105, 117, 133, 147, 171, 175, 195, 225, 245, 247, 273, 285, 315, 325, 343, 399, 441, 455, 475, 525, 585, 637, 665, 735, 741, 819, 855, 931, 975, 1029, 1197, 1225, 1235, 1365, 1425, 1575, 1715, 1729, 1911, 1995, 2205, 2223, 2275, 2793, 2925, 3087, 3185, 3325, 3675, 3705, 4095, 4275, 4459, 4655, 5145, 5187, 5733, 5985, 6175, 6517, 6825, 8379, 8575, 8645, 9555, 9975, 11025, 11115, 12103, 13377, 13965, 15435, 15561, 15925, 18525, 19551, 20475, 22295, 23275, 25725, 25935, 28665, 29925, 32585, 36309, 40131, 41895, 43225, 47775, 55575, 58653, 60515, 66885, 69825, 77175, 77805, 84721, 97755, 108927, 111475, 129675, 143325, 162925, 181545, 200655, 209475, 254163, 293265, 302575, 334425, 389025, 423605, 488775, 544635, 762489, 907725, 1003275, 1270815, 1466325, 2118025, 2723175, 3812445, 6354075, 19062225]

約数ペア:

[(1, 19062225), (3, 6354075), (5, 3812445), (7, 2723175), (9, 2118025), (13, 1466325), (15, 1270815), (19, 1003275), (21, 907725), (25, 762489), (35, 544635), (39, 488775), (45, 423605), (49, 389025), (57, 334425), (63, 302575), (65, 293265), (75, 254163), (91, 209475), (95, 200655), (105, 181545), (117, 162925), (133, 143325), (147, 129675), (171, 111475), (175, 108927), (195, 97755), (225, 84721), (245, 77805), (247, 77175), (273, 69825), (285, 66885), (315, 60515), (325, 58653), (343, 55575), (399, 47775), (441, 43225), (455, 41895), (475, 40131), (525, 36309), (585, 32585), (637, 29925), (665, 28665), (735, 25935), (741, 25725), (819, 23275), (855, 22295), (931, 20475), (975, 19551), (1029, 18525), (1197, 15925), (1225, 15561), (1235, 15435), (1365, 13965), (1425, 13377), (1575, 12103), (1715, 11115), (1729, 11025), (1911, 9975), (1995, 9555), (2205, 8645), (2223, 8575), (2275, 8379), (2793, 6825), (2925, 6517), (3087, 6175), (3185, 5985), (3325, 5733), (3675, 5187), (3705, 5145), (4095, 4655), (4275, 4459)]