19557376

素因数分解:

$2^{10}\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:360

約数の個数: 44

約数和(自身を含む): 39793680

約数和(自身を除く): 20236304

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 269, 284, 512, 538, 568, 1024, 1076, 1136, 2152, 2272, 4304, 4544, 8608, 9088, 17216, 18176, 19099, 34432, 36352, 38198, 68864, 72704, 76396, 137728, 152792, 275456, 305584, 611168, 1222336, 2444672, 4889344, 9778688, 19557376]

約数ペア:

[(1, 19557376), (2, 9778688), (4, 4889344), (8, 2444672), (16, 1222336), (32, 611168), (64, 305584), (71, 275456), (128, 152792), (142, 137728), (256, 76396), (269, 72704), (284, 68864), (512, 38198), (538, 36352), (568, 34432), (1024, 19099), (1076, 18176), (1136, 17216), (2152, 9088), (2272, 8608), (4304, 4544)]