18890200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 51068160

約数和(自身を除く): 32177960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 103, 131, 140, 175, 200, 206, 262, 280, 350, 412, 515, 524, 655, 700, 721, 824, 917, 1030, 1048, 1310, 1400, 1442, 1834, 2060, 2575, 2620, 2884, 3275, 3605, 3668, 4120, 4585, 5150, 5240, 5768, 6550, 7210, 7336, 9170, 10300, 13100, 13493, 14420, 18025, 18340, 20600, 22925, 26200, 26986, 28840, 36050, 36680, 45850, 53972, 67465, 72100, 91700, 94451, 107944, 134930, 144200, 183400, 188902, 269860, 337325, 377804, 472255, 539720, 674650, 755608, 944510, 1349300, 1889020, 2361275, 2698600, 3778040, 4722550, 9445100, 18890200]

約数ペア:

[(1, 18890200), (2, 9445100), (4, 4722550), (5, 3778040), (7, 2698600), (8, 2361275), (10, 1889020), (14, 1349300), (20, 944510), (25, 755608), (28, 674650), (35, 539720), (40, 472255), (50, 377804), (56, 337325), (70, 269860), (100, 188902), (103, 183400), (131, 144200), (140, 134930), (175, 107944), (200, 94451), (206, 91700), (262, 72100), (280, 67465), (350, 53972), (412, 45850), (515, 36680), (524, 36050), (655, 28840), (700, 26986), (721, 26200), (824, 22925), (917, 20600), (1030, 18340), (1048, 18025), (1310, 14420), (1400, 13493), (1442, 13100), (1834, 10300), (2060, 9170), (2575, 7336), (2620, 7210), (2884, 6550), (3275, 5768), (3605, 5240), (3668, 5150), (4120, 4585)]