18043960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1783}}^1$

素因数の和:1828

約数の個数: 64

約数和(自身を含む): 46241280

約数和(自身を除く): 28197320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1783, 2024, 2530, 3566, 5060, 7132, 8915, 10120, 14264, 17830, 19613, 35660, 39226, 41009, 71320, 78452, 82018, 98065, 156904, 164036, 196130, 205045, 328072, 392260, 410090, 451099, 784520, 820180, 902198, 1640360, 1804396, 2255495, 3608792, 4510990, 9021980, 18043960]

約数ペア:

[(1, 18043960), (2, 9021980), (4, 4510990), (5, 3608792), (8, 2255495), (10, 1804396), (11, 1640360), (20, 902198), (22, 820180), (23, 784520), (40, 451099), (44, 410090), (46, 392260), (55, 328072), (88, 205045), (92, 196130), (110, 164036), (115, 156904), (184, 98065), (220, 82018), (230, 78452), (253, 71320), (440, 41009), (460, 39226), (506, 35660), (920, 19613), (1012, 17830), (1265, 14264), (1783, 10120), (2024, 8915), (2530, 7132), (3566, 5060)]