19825360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13043}}^1$

素因数の和:13075

約数の個数: 40

約数和(自身を含む): 48523680

約数和(自身を除く): 28698320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13043, 26086, 52172, 65215, 104344, 130430, 208688, 247817, 260860, 495634, 521720, 991268, 1043440, 1239085, 1982536, 2478170, 3965072, 4956340, 9912680, 19825360]

約数ペア:

[(1, 19825360), (2, 9912680), (4, 4956340), (5, 3965072), (8, 2478170), (10, 1982536), (16, 1239085), (19, 1043440), (20, 991268), (38, 521720), (40, 495634), (76, 260860), (80, 247817), (95, 208688), (152, 130430), (190, 104344), (304, 65215), (380, 52172), (760, 26086), (1520, 13043)]