19090240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{353}}^1$

素因数の和:396

約数の個数: 84

約数和(自身を含む): 49363884

約数和(自身を除く): 30273644

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 353, 416, 520, 676, 706, 832, 845, 1040, 1352, 1412, 1690, 1765, 2080, 2704, 2824, 3380, 3530, 4160, 4589, 5408, 5648, 6760, 7060, 9178, 10816, 11296, 13520, 14120, 18356, 22592, 22945, 27040, 28240, 36712, 45890, 54080, 56480, 59657, 73424, 91780, 112960, 119314, 146848, 183560, 238628, 293696, 298285, 367120, 477256, 596570, 734240, 954512, 1193140, 1468480, 1909024, 2386280, 3818048, 4772560, 9545120, 19090240]

約数ペア:

[(1, 19090240), (2, 9545120), (4, 4772560), (5, 3818048), (8, 2386280), (10, 1909024), (13, 1468480), (16, 1193140), (20, 954512), (26, 734240), (32, 596570), (40, 477256), (52, 367120), (64, 298285), (65, 293696), (80, 238628), (104, 183560), (130, 146848), (160, 119314), (169, 112960), (208, 91780), (260, 73424), (320, 59657), (338, 56480), (353, 54080), (416, 45890), (520, 36712), (676, 28240), (706, 27040), (832, 22945), (845, 22592), (1040, 18356), (1352, 14120), (1412, 13520), (1690, 11296), (1765, 10816), (2080, 9178), (2704, 7060), (2824, 6760), (3380, 5648), (3530, 5408), (4160, 4589)]