18985395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 36578304

約数和(自身を除く): 17592909

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 53, 55, 65, 143, 159, 165, 167, 195, 265, 429, 501, 583, 689, 715, 795, 835, 1749, 1837, 2067, 2145, 2171, 2505, 2915, 3445, 5511, 6513, 7579, 8745, 8851, 9185, 10335, 10855, 22737, 23881, 26553, 27555, 32565, 37895, 44255, 71643, 97361, 113685, 115063, 119405, 132765, 292083, 345189, 358215, 486805, 575315, 1265693, 1460415, 1725945, 3797079, 6328465, 18985395]

約数ペア:

[(1, 18985395), (3, 6328465), (5, 3797079), (11, 1725945), (13, 1460415), (15, 1265693), (33, 575315), (39, 486805), (53, 358215), (55, 345189), (65, 292083), (143, 132765), (159, 119405), (165, 115063), (167, 113685), (195, 97361), (265, 71643), (429, 44255), (501, 37895), (583, 32565), (689, 27555), (715, 26553), (795, 23881), (835, 22737), (1749, 10855), (1837, 10335), (2067, 9185), (2145, 8851), (2171, 8745), (2505, 7579), (2915, 6513), (3445, 5511)]