19739136

素因数分解:

$2^9\times 3^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:273

約数の個数: 80

約数和(自身を含む): 53621568

約数和(自身を除く): 33882432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 181, 192, 213, 256, 284, 362, 384, 426, 512, 543, 568, 724, 768, 852, 1086, 1136, 1448, 1536, 1704, 2172, 2272, 2896, 3408, 4344, 4544, 5792, 6816, 8688, 9088, 11584, 12851, 13632, 17376, 18176, 23168, 25702, 27264, 34752, 36352, 38553, 46336, 51404, 54528, 69504, 77106, 92672, 102808, 109056, 139008, 154212, 205616, 278016, 308424, 411232, 616848, 822464, 1233696, 1644928, 2467392, 3289856, 4934784, 6579712, 9869568, 19739136]

約数ペア:

[(1, 19739136), (2, 9869568), (3, 6579712), (4, 4934784), (6, 3289856), (8, 2467392), (12, 1644928), (16, 1233696), (24, 822464), (32, 616848), (48, 411232), (64, 308424), (71, 278016), (96, 205616), (128, 154212), (142, 139008), (181, 109056), (192, 102808), (213, 92672), (256, 77106), (284, 69504), (362, 54528), (384, 51404), (426, 46336), (512, 38553), (543, 36352), (568, 34752), (724, 27264), (768, 25702), (852, 23168), (1086, 18176), (1136, 17376), (1448, 13632), (1536, 12851), (1704, 11584), (2172, 9088), (2272, 8688), (2896, 6816), (3408, 5792), (4344, 4544)]