18470240

素因数分解:

$2^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{479}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 25438240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 241, 479, 482, 958, 964, 1205, 1916, 1928, 2395, 2410, 3832, 3856, 4790, 4820, 7664, 7712, 9580, 9640, 15328, 19160, 19280, 38320, 38560, 76640, 115439, 230878, 461756, 577195, 923512, 1154390, 1847024, 2308780, 3694048, 4617560, 9235120, 18470240]

約数ペア:

[(1, 18470240), (2, 9235120), (4, 4617560), (5, 3694048), (8, 2308780), (10, 1847024), (16, 1154390), (20, 923512), (32, 577195), (40, 461756), (80, 230878), (160, 115439), (241, 76640), (479, 38560), (482, 38320), (958, 19280), (964, 19160), (1205, 15328), (1916, 9640), (1928, 9580), (2395, 7712), (2410, 7664), (3832, 4820), (3856, 4790)]