18441040

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3907}}^1$

素因数の和:3979

約数の個数: 40

約数和(自身を含む): 43613280

約数和(自身を除く): 25172240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 3907, 4720, 7814, 15628, 19535, 31256, 39070, 62512, 78140, 156280, 230513, 312560, 461026, 922052, 1152565, 1844104, 2305130, 3688208, 4610260, 9220520, 18441040]

約数ペア:

[(1, 18441040), (2, 9220520), (4, 4610260), (5, 3688208), (8, 2305130), (10, 1844104), (16, 1152565), (20, 922052), (40, 461026), (59, 312560), (80, 230513), (118, 156280), (236, 78140), (295, 62512), (472, 39070), (590, 31256), (944, 19535), (1180, 15628), (2360, 7814), (3907, 4720)]