19375520

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1459}}^1$

素因数の和:1557

約数の個数: 48

約数和(自身を含む): 46357920

約数和(自身を除く): 26982400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1459, 1660, 2656, 2918, 3320, 5836, 6640, 7295, 11672, 13280, 14590, 23344, 29180, 46688, 58360, 116720, 121097, 233440, 242194, 484388, 605485, 968776, 1210970, 1937552, 2421940, 3875104, 4843880, 9687760, 19375520]

約数ペア:

[(1, 19375520), (2, 9687760), (4, 4843880), (5, 3875104), (8, 2421940), (10, 1937552), (16, 1210970), (20, 968776), (32, 605485), (40, 484388), (80, 242194), (83, 233440), (160, 121097), (166, 116720), (332, 58360), (415, 46688), (664, 29180), (830, 23344), (1328, 14590), (1459, 13280), (1660, 11672), (2656, 7295), (2918, 6640), (3320, 5836)]