19487464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 21336536

約数列:

[1, 2, 4, 8, 19, 38, 41, 53, 59, 76, 82, 106, 118, 152, 164, 212, 236, 328, 424, 472, 779, 1007, 1121, 1558, 2014, 2173, 2242, 2419, 3116, 3127, 4028, 4346, 4484, 4838, 6232, 6254, 8056, 8692, 8968, 9676, 12508, 17384, 19352, 25016, 41287, 45961, 59413, 82574, 91922, 118826, 128207, 165148, 183844, 237652, 256414, 330296, 367688, 475304, 512828, 1025656, 2435933, 4871866, 9743732, 19487464]

約数ペア:

[(1, 19487464), (2, 9743732), (4, 4871866), (8, 2435933), (19, 1025656), (38, 512828), (41, 475304), (53, 367688), (59, 330296), (76, 256414), (82, 237652), (106, 183844), (118, 165148), (152, 128207), (164, 118826), (212, 91922), (236, 82574), (328, 59413), (424, 45961), (472, 41287), (779, 25016), (1007, 19352), (1121, 17384), (1558, 12508), (2014, 9676), (2173, 8968), (2242, 8692), (2419, 8056), (3116, 6254), (3127, 6232), (4028, 4838), (4346, 4484)]