19503984

素因数分解:

$2^4\times 3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 52496640

約数和(自身を除く): 32992656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 59, 71, 97, 118, 142, 177, 194, 213, 236, 284, 291, 354, 388, 426, 472, 568, 582, 708, 776, 852, 944, 1136, 1164, 1416, 1552, 1704, 2328, 2832, 3408, 4189, 4656, 5723, 6887, 8378, 11446, 12567, 13774, 16756, 17169, 20661, 22892, 25134, 27548, 33512, 34338, 41322, 45784, 50268, 55096, 67024, 68676, 82644, 91568, 100536, 110192, 137352, 165288, 201072, 274704, 330576, 406333, 812666, 1218999, 1625332, 2437998, 3250664, 4875996, 6501328, 9751992, 19503984]

約数ペア:

[(1, 19503984), (2, 9751992), (3, 6501328), (4, 4875996), (6, 3250664), (8, 2437998), (12, 1625332), (16, 1218999), (24, 812666), (48, 406333), (59, 330576), (71, 274704), (97, 201072), (118, 165288), (142, 137352), (177, 110192), (194, 100536), (213, 91568), (236, 82644), (284, 68676), (291, 67024), (354, 55096), (388, 50268), (426, 45784), (472, 41322), (568, 34338), (582, 33512), (708, 27548), (776, 25134), (852, 22892), (944, 20661), (1136, 17169), (1164, 16756), (1416, 13774), (1552, 12567), (1704, 11446), (2328, 8378), (2832, 6887), (3408, 5723), (4189, 4656)]