19325745

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 16055055

約数列:

[1, 3, 5, 9, 15, 29, 45, 59, 87, 145, 177, 251, 261, 295, 435, 531, 753, 885, 1255, 1305, 1711, 2259, 2655, 3765, 5133, 7279, 8555, 11295, 14809, 15399, 21837, 25665, 36395, 44427, 65511, 74045, 76995, 109185, 133281, 222135, 327555, 429461, 666405, 1288383, 2147305, 3865149, 6441915, 19325745]

約数ペア:

[(1, 19325745), (3, 6441915), (5, 3865149), (9, 2147305), (15, 1288383), (29, 666405), (45, 429461), (59, 327555), (87, 222135), (145, 133281), (177, 109185), (251, 76995), (261, 74045), (295, 65511), (435, 44427), (531, 36395), (753, 25665), (885, 21837), (1255, 15399), (1305, 14809), (1711, 11295), (2259, 8555), (2655, 7279), (3765, 5133)]