18387040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16417}}^1$

素因数の和:16439

約数の個数: 48

約数和(自身を含む): 49648032

約数和(自身を除く): 31260992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16417, 32834, 65668, 82085, 114919, 131336, 164170, 229838, 262672, 328340, 459676, 525344, 574595, 656680, 919352, 1149190, 1313360, 1838704, 2298380, 2626720, 3677408, 4596760, 9193520, 18387040]

約数ペア:

[(1, 18387040), (2, 9193520), (4, 4596760), (5, 3677408), (7, 2626720), (8, 2298380), (10, 1838704), (14, 1313360), (16, 1149190), (20, 919352), (28, 656680), (32, 574595), (35, 525344), (40, 459676), (56, 328340), (70, 262672), (80, 229838), (112, 164170), (140, 131336), (160, 114919), (224, 82085), (280, 65668), (560, 32834), (1120, 16417)]