19917135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1193}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 40233024

約数和(自身を除く): 20315889

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 159, 265, 315, 371, 477, 795, 1113, 1193, 1855, 2385, 3339, 3579, 5565, 5965, 8351, 10737, 16695, 17895, 25053, 41755, 53685, 63229, 75159, 125265, 189687, 316145, 375795, 442603, 569061, 948435, 1327809, 2213015, 2845305, 3983427, 6639045, 19917135]

約数ペア:

[(1, 19917135), (3, 6639045), (5, 3983427), (7, 2845305), (9, 2213015), (15, 1327809), (21, 948435), (35, 569061), (45, 442603), (53, 375795), (63, 316145), (105, 189687), (159, 125265), (265, 75159), (315, 63229), (371, 53685), (477, 41755), (795, 25053), (1113, 17895), (1193, 16695), (1855, 10737), (2385, 8351), (3339, 5965), (3579, 5565)]