19419850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 38167200

約数和(自身を除く): 18747350

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 59, 118, 145, 227, 290, 295, 454, 590, 725, 1135, 1450, 1475, 1711, 2270, 2950, 3422, 5675, 6583, 8555, 11350, 13166, 13393, 17110, 26786, 32915, 42775, 65830, 66965, 85550, 133930, 164575, 329150, 334825, 388397, 669650, 776794, 1941985, 3883970, 9709925, 19419850]

約数ペア:

[(1, 19419850), (2, 9709925), (5, 3883970), (10, 1941985), (25, 776794), (29, 669650), (50, 388397), (58, 334825), (59, 329150), (118, 164575), (145, 133930), (227, 85550), (290, 66965), (295, 65830), (454, 42775), (590, 32915), (725, 26786), (1135, 17110), (1450, 13393), (1475, 13166), (1711, 11350), (2270, 8555), (2950, 6583), (3422, 5675)]