19998204

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 48658848

約数和(自身を除く): 28660644

約数列:

[1, 2, 3, 4, 6, 12, 37, 73, 74, 111, 146, 148, 219, 222, 292, 438, 444, 617, 876, 1234, 1851, 2468, 2701, 3702, 5402, 7404, 8103, 10804, 16206, 22829, 32412, 45041, 45658, 68487, 90082, 91316, 135123, 136974, 180164, 270246, 273948, 540492, 1666517, 3333034, 4999551, 6666068, 9999102, 19998204]

約数ペア:

[(1, 19998204), (2, 9999102), (3, 6666068), (4, 4999551), (6, 3333034), (12, 1666517), (37, 540492), (73, 273948), (74, 270246), (111, 180164), (146, 136974), (148, 135123), (219, 91316), (222, 90082), (292, 68487), (438, 45658), (444, 45041), (617, 32412), (876, 22829), (1234, 16206), (1851, 10804), (2468, 8103), (2701, 7404), (3702, 5402)]