18457960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20063}}^1$

素因数の和:20097

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 24880280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20063, 40126, 80252, 100315, 160504, 200630, 401260, 461449, 802520, 922898, 1845796, 2307245, 3691592, 4614490, 9228980, 18457960]

約数ペア:

[(1, 18457960), (2, 9228980), (4, 4614490), (5, 3691592), (8, 2307245), (10, 1845796), (20, 922898), (23, 802520), (40, 461449), (46, 401260), (92, 200630), (115, 160504), (184, 100315), (230, 80252), (460, 40126), (920, 20063)]