18303440

素因数分解:

$2^4\times 5^1\times {\mathrm{228793}}^1$

素因数の和:228806

約数の個数: 20

約数和(自身を含む): 42555684

約数和(自身を除く): 24252244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228793, 457586, 915172, 1143965, 1830344, 2287930, 3660688, 4575860, 9151720, 18303440]

約数ペア:

[(1, 18303440), (2, 9151720), (4, 4575860), (5, 3660688), (8, 2287930), (10, 1830344), (16, 1143965), (20, 915172), (40, 457586), (80, 228793)]