19416176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1$

素因数の和:91

約数の個数: 80

約数和(自身を含む): 45309600

約数和(自身を除く): 25893424

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 208, 221, 247, 272, 289, 304, 323, 442, 494, 578, 646, 884, 988, 1156, 1292, 1768, 1976, 2312, 2584, 3536, 3757, 3952, 4199, 4624, 4913, 5168, 5491, 7514, 8398, 9826, 10982, 15028, 16796, 19652, 21964, 30056, 33592, 39304, 43928, 60112, 63869, 67184, 71383, 78608, 87856, 93347, 127738, 142766, 186694, 255476, 285532, 373388, 510952, 571064, 746776, 1021904, 1142128, 1213511, 1493552, 2427022, 4854044, 9708088, 19416176]

約数ペア:

[(1, 19416176), (2, 9708088), (4, 4854044), (8, 2427022), (13, 1493552), (16, 1213511), (17, 1142128), (19, 1021904), (26, 746776), (34, 571064), (38, 510952), (52, 373388), (68, 285532), (76, 255476), (104, 186694), (136, 142766), (152, 127738), (208, 93347), (221, 87856), (247, 78608), (272, 71383), (289, 67184), (304, 63869), (323, 60112), (442, 43928), (494, 39304), (578, 33592), (646, 30056), (884, 21964), (988, 19652), (1156, 16796), (1292, 15028), (1768, 10982), (1976, 9826), (2312, 8398), (2584, 7514), (3536, 5491), (3757, 5168), (3952, 4913), (4199, 4624)]