18043040

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4903}}^1$

素因数の和:4941

約数の個数: 48

約数和(自身を含む): 44489088

約数和(自身を除く): 26446048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 4903, 9806, 19612, 24515, 39224, 49030, 78448, 98060, 112769, 156896, 196120, 225538, 392240, 451076, 563845, 784480, 902152, 1127690, 1804304, 2255380, 3608608, 4510760, 9021520, 18043040]

約数ペア:

[(1, 18043040), (2, 9021520), (4, 4510760), (5, 3608608), (8, 2255380), (10, 1804304), (16, 1127690), (20, 902152), (23, 784480), (32, 563845), (40, 451076), (46, 392240), (80, 225538), (92, 196120), (115, 156896), (160, 112769), (184, 98060), (230, 78448), (368, 49030), (460, 39224), (736, 24515), (920, 19612), (1840, 9806), (3680, 4903)]