17968520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19531}}^1$

素因数の和:19565

約数の個数: 32

約数和(自身を含む): 42189120

約数和(自身を除く): 24220600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19531, 39062, 78124, 97655, 156248, 195310, 390620, 449213, 781240, 898426, 1796852, 2246065, 3593704, 4492130, 8984260, 17968520]

約数ペア:

[(1, 17968520), (2, 8984260), (4, 4492130), (5, 3593704), (8, 2246065), (10, 1796852), (20, 898426), (23, 781240), (40, 449213), (46, 390620), (92, 195310), (115, 156248), (184, 97655), (230, 78124), (460, 39062), (920, 19531)]