18036990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1873}}^1$

素因数の和:1993

約数の個数: 48

約数和(自身を含む): 47359728

約数和(自身を除く): 29322738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 107, 214, 321, 535, 642, 963, 1070, 1605, 1873, 1926, 3210, 3746, 4815, 5619, 9365, 9630, 11238, 16857, 18730, 28095, 33714, 56190, 84285, 168570, 200411, 400822, 601233, 1002055, 1202466, 1803699, 2004110, 3006165, 3607398, 6012330, 9018495, 18036990]

約数ペア:

[(1, 18036990), (2, 9018495), (3, 6012330), (5, 3607398), (6, 3006165), (9, 2004110), (10, 1803699), (15, 1202466), (18, 1002055), (30, 601233), (45, 400822), (90, 200411), (107, 168570), (214, 84285), (321, 56190), (535, 33714), (642, 28095), (963, 18730), (1070, 16857), (1605, 11238), (1873, 9630), (1926, 9365), (3210, 5619), (3746, 4815)]