18111520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 49690368

約数和(自身を除く): 31578848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 103, 112, 140, 157, 160, 206, 224, 280, 314, 412, 515, 560, 628, 721, 785, 824, 1030, 1099, 1120, 1256, 1442, 1570, 1648, 2060, 2198, 2512, 2884, 3140, 3296, 3605, 4120, 4396, 5024, 5495, 5768, 6280, 7210, 8240, 8792, 10990, 11536, 12560, 14420, 16171, 16480, 17584, 21980, 23072, 25120, 28840, 32342, 35168, 43960, 57680, 64684, 80855, 87920, 113197, 115360, 129368, 161710, 175840, 226394, 258736, 323420, 452788, 517472, 565985, 646840, 905576, 1131970, 1293680, 1811152, 2263940, 2587360, 3622304, 4527880, 9055760, 18111520]

約数ペア:

[(1, 18111520), (2, 9055760), (4, 4527880), (5, 3622304), (7, 2587360), (8, 2263940), (10, 1811152), (14, 1293680), (16, 1131970), (20, 905576), (28, 646840), (32, 565985), (35, 517472), (40, 452788), (56, 323420), (70, 258736), (80, 226394), (103, 175840), (112, 161710), (140, 129368), (157, 115360), (160, 113197), (206, 87920), (224, 80855), (280, 64684), (314, 57680), (412, 43960), (515, 35168), (560, 32342), (628, 28840), (721, 25120), (785, 23072), (824, 21980), (1030, 17584), (1099, 16480), (1120, 16171), (1256, 14420), (1442, 12560), (1570, 11536), (1648, 10990), (2060, 8792), (2198, 8240), (2512, 7210), (2884, 6280), (3140, 5768), (3296, 5495), (3605, 5024), (4120, 4396)]