18947296576

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{39883}}^1$

素因数の和:40479

約数の個数: 56

約数和(自身を含む): 40562666144

約数和(自身を除く): 21615369568

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 571, 832, 1142, 2284, 4568, 7423, 9136, 14846, 18272, 29692, 36544, 39883, 59384, 79766, 118768, 159532, 237536, 319064, 475072, 518479, 638128, 1036958, 1276256, 2073916, 2552512, 4147832, 8295664, 16591328, 22773193, 33182656, 45546386, 91092772, 182185544, 296051509, 364371088, 592103018, 728742176, 1184206036, 1457484352, 2368412072, 4736824144, 9473648288, 18947296576]

約数ペア:

[(1, 18947296576), (2, 9473648288), (4, 4736824144), (8, 2368412072), (13, 1457484352), (16, 1184206036), (26, 728742176), (32, 592103018), (52, 364371088), (64, 296051509), (104, 182185544), (208, 91092772), (416, 45546386), (571, 33182656), (832, 22773193), (1142, 16591328), (2284, 8295664), (4568, 4147832), (7423, 2552512), (9136, 2073916), (14846, 1276256), (18272, 1036958), (29692, 638128), (36544, 518479), (39883, 475072), (59384, 319064), (79766, 237536), (118768, 159532)]