19421325

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 46425600

約数和(自身を除く): 27004275

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 25, 33, 35, 45, 55, 57, 59, 63, 75, 77, 95, 99, 105, 133, 165, 171, 175, 177, 209, 225, 231, 275, 285, 295, 315, 385, 399, 413, 475, 495, 525, 531, 627, 649, 665, 693, 825, 855, 885, 1045, 1121, 1155, 1197, 1239, 1425, 1463, 1475, 1575, 1881, 1925, 1947, 1995, 2065, 2475, 2655, 3135, 3245, 3325, 3363, 3465, 3717, 4275, 4389, 4425, 4543, 5225, 5605, 5775, 5841, 5985, 6195, 7315, 7847, 9405, 9735, 9975, 10089, 10325, 12331, 13167, 13275, 13629, 15675, 16225, 16815, 17325, 18585, 21945, 22715, 23541, 28025, 29205, 29925, 30975, 36575, 36993, 39235, 40887, 47025, 48675, 50445, 61655, 65835, 68145, 70623, 84075, 86317, 92925, 109725, 110979, 113575, 117705, 146025, 184965, 196175, 204435, 252225, 258951, 308275, 329175, 340725, 353115, 431585, 554895, 588525, 776853, 924825, 1022175, 1294755, 1765575, 2157925, 2774475, 3884265, 6473775, 19421325]

約数ペア:

[(1, 19421325), (3, 6473775), (5, 3884265), (7, 2774475), (9, 2157925), (11, 1765575), (15, 1294755), (19, 1022175), (21, 924825), (25, 776853), (33, 588525), (35, 554895), (45, 431585), (55, 353115), (57, 340725), (59, 329175), (63, 308275), (75, 258951), (77, 252225), (95, 204435), (99, 196175), (105, 184965), (133, 146025), (165, 117705), (171, 113575), (175, 110979), (177, 109725), (209, 92925), (225, 86317), (231, 84075), (275, 70623), (285, 68145), (295, 65835), (315, 61655), (385, 50445), (399, 48675), (413, 47025), (475, 40887), (495, 39235), (525, 36993), (531, 36575), (627, 30975), (649, 29925), (665, 29205), (693, 28025), (825, 23541), (855, 22715), (885, 21945), (1045, 18585), (1121, 17325), (1155, 16815), (1197, 16225), (1239, 15675), (1425, 13629), (1463, 13275), (1475, 13167), (1575, 12331), (1881, 10325), (1925, 10089), (1947, 9975), (1995, 9735), (2065, 9405), (2475, 7847), (2655, 7315), (3135, 6195), (3245, 5985), (3325, 5841), (3363, 5775), (3465, 5605), (3717, 5225), (4275, 4543), (4389, 4425)]