18667520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1823}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 26148160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1823, 2048, 2560, 3646, 5120, 7292, 9115, 10240, 14584, 18230, 29168, 36460, 58336, 72920, 116672, 145840, 233344, 291680, 466688, 583360, 933376, 1166720, 1866752, 2333440, 3733504, 4666880, 9333760, 18667520]

約数ペア:

[(1, 18667520), (2, 9333760), (4, 4666880), (5, 3733504), (8, 2333440), (10, 1866752), (16, 1166720), (20, 933376), (32, 583360), (40, 466688), (64, 291680), (80, 233344), (128, 145840), (160, 116672), (256, 72920), (320, 58336), (512, 36460), (640, 29168), (1024, 18230), (1280, 14584), (1823, 10240), (2048, 9115), (2560, 7292), (3646, 5120)]