18845650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 37263240

約数和(自身を除く): 18417590

約数列:

[1, 2, 5, 10, 25, 29, 41, 50, 58, 82, 145, 205, 290, 317, 410, 634, 725, 1025, 1189, 1450, 1585, 2050, 2378, 3170, 5945, 7925, 9193, 11890, 12997, 15850, 18386, 25994, 29725, 45965, 59450, 64985, 91930, 129970, 229825, 324925, 376913, 459650, 649850, 753826, 1884565, 3769130, 9422825, 18845650]

約数ペア:

[(1, 18845650), (2, 9422825), (5, 3769130), (10, 1884565), (25, 753826), (29, 649850), (41, 459650), (50, 376913), (58, 324925), (82, 229825), (145, 129970), (205, 91930), (290, 64985), (317, 59450), (410, 45965), (634, 29725), (725, 25994), (1025, 18386), (1189, 15850), (1450, 12997), (1585, 11890), (2050, 9193), (2378, 7925), (3170, 5945)]