18089720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41113}}^1$

素因数の和:41135

約数の個数: 32

約数和(自身を含む): 44403120

約数和(自身を除く): 26313400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41113, 82226, 164452, 205565, 328904, 411130, 452243, 822260, 904486, 1644520, 1808972, 2261215, 3617944, 4522430, 9044860, 18089720]

約数ペア:

[(1, 18089720), (2, 9044860), (4, 4522430), (5, 3617944), (8, 2261215), (10, 1808972), (11, 1644520), (20, 904486), (22, 822260), (40, 452243), (44, 411130), (55, 328904), (88, 205565), (110, 164452), (220, 82226), (440, 41113)]