18637990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{593}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 19853210

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 449, 593, 898, 1186, 2245, 2965, 3143, 4151, 4490, 5930, 6286, 8302, 15715, 20755, 31430, 41510, 266257, 532514, 1331285, 1863799, 2662570, 3727598, 9318995, 18637990]

約数ペア:

[(1, 18637990), (2, 9318995), (5, 3727598), (7, 2662570), (10, 1863799), (14, 1331285), (35, 532514), (70, 266257), (449, 41510), (593, 31430), (898, 20755), (1186, 15715), (2245, 8302), (2965, 6286), (3143, 5930), (4151, 4490)]