18813354

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 44323200

約数和(自身を除く): 25509846

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 89, 98, 147, 178, 267, 294, 534, 623, 719, 1246, 1438, 1869, 2157, 3738, 4314, 4361, 5033, 8722, 10066, 13083, 15099, 26166, 30198, 35231, 63991, 70462, 105693, 127982, 191973, 211386, 383946, 447937, 895874, 1343811, 2687622, 3135559, 6271118, 9406677, 18813354]

約数ペア:

[(1, 18813354), (2, 9406677), (3, 6271118), (6, 3135559), (7, 2687622), (14, 1343811), (21, 895874), (42, 447937), (49, 383946), (89, 211386), (98, 191973), (147, 127982), (178, 105693), (267, 70462), (294, 63991), (534, 35231), (623, 30198), (719, 26166), (1246, 15099), (1438, 13083), (1869, 10066), (2157, 8722), (3738, 5033), (4314, 4361)]