18227860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130199}}^1$

素因数の和:130215

約数の個数: 24

約数和(自身を含む): 43747200

約数和(自身を除く): 25519340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130199, 260398, 520796, 650995, 911393, 1301990, 1822786, 2603980, 3645572, 4556965, 9113930, 18227860]

約数ペア:

[(1, 18227860), (2, 9113930), (4, 4556965), (5, 3645572), (7, 2603980), (10, 1822786), (14, 1301990), (20, 911393), (28, 650995), (35, 520796), (70, 260398), (140, 130199)]